{"id":27,"date":"2023-09-17T11:06:22","date_gmt":"2023-09-17T11:06:22","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ec%97%b0%ec%86%8d%ed%95%a8%ec%88%98-%ed%95%a8%ec%88%98%ec%9d%98-%ec%97%b0%ec%86%8d%ec%84%b1\/"},"modified":"2023-09-17T11:06:22","modified_gmt":"2023-09-17T11:06:22","slug":"%ec%97%b0%ec%86%8d%ed%95%a8%ec%88%98-%ed%95%a8%ec%88%98%ec%9d%98-%ec%97%b0%ec%86%8d%ec%84%b1","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ec%97%b0%ec%86%8d%ed%95%a8%ec%88%98-%ed%95%a8%ec%88%98%ec%9d%98-%ec%97%b0%ec%86%8d%ec%84%b1\/","title":{"rendered":"\uc5f0\uc18d\ud568\uc218(\ud568\uc218\uc758 \uc5f0\uc18d\uc131)"},"content":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc5f0\uc18d \ud568\uc218\uac00 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \ud568\uc218\uac00 \ud55c \uc810\uc5d0\uc11c \uc5f0\uc18d\uc778\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uc5f0\uc18d \ud568\uc218\uc758 \uc18d\uc131\uacfc \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ud568\uc218\uc758 \uc5f0\uc18d\uc131 \ubd84\uc11d\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc5f0\uc18d\ud568\uc218\uc5d0 \ub300\ud55c \ud480\uc774 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uac1c\ub150\uc744 \uc644\uc804\ud788 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-una-funcion-continua\"><\/span> \uc5f0\uc18d\ud568\uc218\ub780 \ubb34\uc5c7\uc778\uac00?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc740 \uadf8\ub798\ud53d\uc73c\ub85c \uc5f0\uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>\uc5f0\uc18d\ud568\uc218\ub780 \uc885\uc774\uc5d0\uc11c \uc5f0\ud544\uc744 \ub5bc\uc9c0 \uc54a\uace0\ub3c4 \uadf8\ub798\ud504\ub85c \ud45c\ud604\ud560 \uc218 \uc788\ub294 \ud568\uc218\ub97c \ub9d0\ud569\ub2c8\ub2e4.<\/strong><\/p>\n<p class=\"has-text-align-center has-medium-font-size\"> <u style=\"text-decoration-color:#FF9B28;\"><strong>\uc5f0\uc18d \ud568\uc218<\/strong><\/u> <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/fonction-continue.webp\" alt=\"\uc5f0\uc18d \ud568\uc218\" class=\"wp-image-1491\" width=\"354\" height=\"255\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<p> \uc704\uc758 \uae30\ub2a5\uc740 \uc885\uc774\uc5d0\uc11c \uc190\uc744 \ub5bc\uc9c0 \uc54a\uace0\ub3c4 \ud55c \ud68d\uc73c\ub85c \uadf8\ub9b4 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p> \ubc18\uba74, \uc774\uc804\uc758 \uc5f0\uc18d\uc870\uac74\uc774 \ud568\uc218\uc5d0 \ub4e4\uc5b4\uac00\uc9c0 \uc54a\ub294 \uacbd\uc6b0\ub97c <strong>\ubd88\uc5f0\uc18d\ud568\uc218<\/strong> \ub77c\uace0 \ud55c\ub2e4.<\/p>\n<p class=\"has-text-align-center has-medium-font-size\"> <u style=\"text-decoration-color:#FF9B28;\"><strong>\ubd88\uc5f0\uc18d \uae30\ub2a5<\/strong><\/u> <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/fonction-pointillee.webp\" alt=\"\ubd88\uc5f0\uc18d \ud568\uc218\" class=\"wp-image-1495\" width=\"354\" height=\"262\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<p> \uc774\uc804 \uae30\ub2a5\uc740 \uc774\ub97c \ud45c\ud604\ud558\ub824\uba74 \uc5f0\ud544\ub85c \ub450 \uac1c\uc758 \uc120\uc744 \uadf8\ub824\uc57c \ud558\uae30 \ub54c\ubb38\uc5d0 \ubd88\uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ud568\uc218\ub294 x=3\uc5d0\uc11c \uc5f0\uc18d\uc774 \uc544\ub2c8\ubbc0\ub85c x=3\uc744 <strong>\ubd88\uc5f0\uc18d\uc810<\/strong> \uc774\ub77c\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>\n<p> \ub610\ud55c, <strong>\ubd88\uc5f0\uc18d\uc5d0\ub294 \ud53c\ud560 \uc218 \uc788\ub294 \ubd88\uc5f0\uc18d, \ud53c\ud560 \uc218 \uc5c6\ub294 \uc720\ud55c \uc810\ud504 \ubd88\uc5f0\uc18d, \ud53c\ud560 \uc218 \uc5c6\ub294 \ubb34\ud55c \uc810\ud504 \ubd88\uc5f0\uc18d\uc758 \uc138 \uac00\uc9c0 \uc720\ud615\uc774<\/strong> \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c \ub9c1\ud06c\uc5d0\uc11c \uac01 \ubd88\uc5f0\uc18d \uc720\ud615\uc758 \ubaa8\uc591\uacfc \uac01 \ubd88\uc5f0\uc18d\uc758 \ucc28\uc774\uc810\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\ucc38\uc870:<\/strong> <span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u1107\u116e\u11af\u110b\u1167\u11ab\u1109\u1169\u11a8\u110b\u1174-\u110c\u1169\u11bc\u1105\u1172\/\">\ubd88\uc5f0\uc18d \uc720\ud615<\/a><\/span> <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"continuidad-de-una-funcion-en-un-punto\"><\/span> \ud55c \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uc5f0\uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc5f0\uc18d\ud568\uc218\uc758 \uadf8\ub798\ud504\uac00 \uc5b4\ub5bb\uac8c \ubcf4\uc774\ub294\uc9c0 \ud655\uc778\ud55c \ud6c4\uc5d0\ub294 \ud568\uc218\uac00 \uc5f0\uc18d\uc778\uc9c0 \uc544\ub2cc\uc9c0\ub97c \ubd84\uc11d\uc801\uc73c\ub85c \uad6c\ubcc4\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc218\ud559\uc801\uc73c\ub85c <strong>\ub2e4\uc74c \uc138 \uac00\uc9c0 \uc870\uac74\uc774 \ucda9\uc871\ub418\uba74 \ud568\uc218\ub294 \ud55c \uc810\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;border:\">\n<li style=\"margin-bottom:15px\"> <span style=\"color:#101010;font-weight: normal;\">\uc774 \uc9c0\uc810\uc5d0 \ud568\uc218\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc989, \uc9c0\uc810\uc758 \uc774\ubbf8\uc9c0\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/span><\/li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e7292d399b69758819eab74a2aa9afd7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\exists \\ f(a)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"48\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc774 \uc2dc\uc810\uc5d0\uc11c \uae30\ub2a5\uc758 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uc67c\ucabd \ubc0f \uc624\ub978\ucabd \uce21\uba74 \uadf9\ud55c\uc740 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7c4c9431d93839b2511a56583101db46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to a^-} f(x) = \\lim_{x \\to a^+} f(x)  \\quad \\color{orange}\\bm{\\longrightarrow}\\color{black} \\quad \\exists \\lim_{x \\to a} f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"413\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<li style=\"margin-bottom:15px\"> <span style=\"color:#101010;font-weight: normal;\">\uc810\uc758 \uc774\ubbf8\uc9c0\ub294 \uc774 \uc810\uc5d0\uc11c\uc758 \ud568\uc218\uc758 \ud55c\uacc4\uc640 \uc77c\uce58\ud569\ub2c8\ub2e4.<\/span><\/li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-da2902aa458fe8a9c8234e2be38336c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(a)=\\lim_{x \\to a} f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"123\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<\/ol>\n<p> \ub530\ub77c\uc11c \ud568\uc218\uc758 \ubaa8\ub4e0 \uc810\uc5d0\uc11c \uc138 \uac00\uc9c0 \uc5f0\uc18d\uc131 \uc870\uac74\uc774 \ucda9\uc871\ub418\uba74 \ud568\uc218\ub294 \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/p>\n<p> \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c \uc870\uac01\ubcc4 \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc744 \ubd84\uc11d\ud558\uaca0\uc2b5\ub2c8\ub2e4. <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/continuite-dune-fonction-definie-par-morceaux.webp\" alt=\"\uc870\uac01\ubcc4\ub85c \uc815\uc758\ub41c \ud568\uc218\uc758 \uc5f0\uc18d\uc131\" class=\"wp-image-201\" width=\"440\" height=\"306\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<p> \uad6c\uac04\uc744 \ubc14\uafd4\ub3c4 \uadf8 \uc2dc\uc810\uc5d0\uc11c\ub294<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-01f282abd343bbe6b83c45e54b86c6ed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=-2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uc774 \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \ud55c\uacc4\uac00 \ub3d9\uc77c\ud558\uace0 \uc774 \uc9c0\uc810\uc758 \ud568\uc218 \uac12\uacfc \ub354 \uc77c\uce58\ud558\uae30 \ub54c\ubb38\uc5d0 \ud568\uc218\ub294 \uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f659d88902824c6a762a5ebe2d6db14_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lim\\limits_{x \\to -2^-} f(x)=\\lim\\limits_{x \\to -2^+} f(x)= f(-2)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"300\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p> \ubc18\uba74\uc5d0, \ud568\uc218\ub294 \uadf8 \uc810\uc5d0\uc11c \uc5f0\uc18d\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2145acc2878ed61214887e120f2485b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub450 \uac1c\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \uc774 \uc2dc\uc810\uc5d0\uc11c\ub294 \ud568\uc218\uc758 \uadf9\ud55c\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5f9d62d0c5ddcefe8cc4cbe2daaf6d57_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lim\\limits_{x \\to 4^-} f(x)=3 \\neq \\lim\\limits_{x \\to 4^+} f(x)= 2\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"240\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p> \uac04\ub2e8\ud788 \ub9d0\ud574\uc11c, \uc870\uac01\uc73c\ub85c \uc815\uc758\ub41c \ud568\uc218\ub294 \ub2e4\uc74c\uc744 \uc81c\uc678\ud55c \ubaa8\ub4e0 \uc2e4\uc218\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9ad850560a1ff3e3bb4386cf732d0220_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=4,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"47\" style=\"vertical-align: -4px;\"><\/p>\n<p> \ubd88\uc5f0\uc18d\uc131\uc774 \uc788\ub294 \uacf3.<\/p>\n<p> \ub610\ud55c \ud568\uc218\uac00 \ubd88\uc5f0\uc18d\uc801\uc778\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2145acc2878ed61214887e120f2485b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uc65c\ub0d0\ud558\uba74 \uadf8\uac83\uc744 \uadf8\ub798\ud53d\uc73c\ub85c \ud45c\ud604\ud558\ub824\uba74 \uc774 \uc2dc\uc810\uc5d0\uc11c \uc885\uc774\uc5d0\uc11c \uc5f0\ud544\uc744 \ub5bc\uc5b4\ub0b4\uc57c \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"continuidad-de-funciones-elementales\"><\/span> \uae30\ubcf8 \uae30\ub2a5\uc758 \uc5f0\uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud2b9\uc815 \uc720\ud615\uc758 \uae30\ub2a5\uc740 \ud2b9\uc131\uc5d0 \ub530\ub77c \uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.<\/p>\n<ul>\n<li> <strong>\uc0c1\uc218 \ud568\uc218\ub294<\/strong> \ubaa8\ub4e0 \uc2e4\uc218\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-252f9958e223f77bf50cb3b92a7c3e35_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=k\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\ub2e4\ud56d\ud568\uc218\ub294<\/strong> \ubaa8\ub4e0 \uc2e4\uc218\uc5d0 \ub300\ud574 \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3094a01ff9b10acb7c44349cda083025_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=a_0+a_1x+a_2x^2+a_3x^3+\\dots+a_nx^n\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"338\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\uc720\ub9ac\uc218(\ub610\ub294 \ubd84\uc218) \ud568\uc218\ub294<\/strong> \ubd84\uc218\uc758 \ubd84\ubaa8\ub97c \ucde8\uc18c\ud558\ub294 \uac12\uc744 \uc81c\uc678\ud558\uace0 \ubaa8\ub4e0 \uc2e4\uc218\uc5d0\uc11c \uc5f0\uc18d\uc801\uc774\uba70, \uc774\ub7ec\ud55c \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\ub294 \ubd88\uc5f0\uc18d\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6cc33f4306e45701e8bc92457779201d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\cfrac{p(x)}{q(x)}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"93\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\uc9c0\uc218 \ud568\uc218\ub294<\/strong> \ubaa8\ub4e0 \uc2e4\uc218\uc5d0 \ub300\ud574 \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-73aa6cf687ce5e8c2f9faf41f5614e53_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=a^x\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"75\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\ub85c\uadf8 \ud568\uc218\ub294<\/strong> \uc778\uc218\ub97c \uc591\uc218\ub85c \ub9cc\ub4dc\ub294 \ubaa8\ub4e0 \uc9c0\uc810\uc5d0\uc11c \uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d94badc2befa1e0c57a867970b1040aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\log_a (x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"112\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\ube44\ud569\ub9ac \ud568\uc218<\/strong> \ub610\ub294 \uadfc\uc774 \uc788\ub294 \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc740 \uadfc\ud638(n)\uc758 \uc9c0\uc218\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc778\ub371\uc2a4\uac00 \uc9dd\uc218\uc778 \uacbd\uc6b0 \uc774\ub294 \ub8e8\ud2b8 \uc778\uc218\ub97c 0\ubcf4\ub2e4 \ud06c\uac70\ub098 \uac19\uac8c \ub9cc\ub4dc\ub294 \ubaa8\ub4e0 \uc9c0\uc810\uc5d0\uc11c \uc5f0\uc18d \ud568\uc218\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc9c0\uc218\uac00 \ud640\uc218\uc774\uba74 \ubaa8\ub4e0 \uc2e4\uc218\uc5d0 \ub300\ud574 \uc5f0\uc18d \ud568\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ca6c3302aac609e9214e62444cfec2bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\sqrt[n]{x}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"86\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\uc0bc\uac01 \ud568\uc218<\/strong> \uc758 \uc5f0\uc18d\uc131\uc740 \ud568\uc218 \uc720\ud615\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc0ac\uc778 \ud568\uc218\uc640 \ucf54\uc0ac\uc778 \ud568\uc218\ub294 \uc2e4\uc218 \uc9d1\ud569\uc5d0 \ub300\ud574 \uc5f0\uc18d\uc801\uc774\uc9c0\ub9cc \ud0c4\uc820\ud2b8 \ud568\uc218\ub294 \uc810\uc5d0\uc11c \ubd88\uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0c1c82b94111254bf0771af43a5b4411_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle x=\\frac{\\pi}{2}+k\\pi\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"91\" style=\"vertical-align: -12px;\"><\/p>\n<p> (\uc5ec\uae30\uc11c <em>k<\/em> \ub294 \uc815\uc218\uc785\ub2c8\ub2e4). <\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a42292efae266c09baade046e8a3cb76_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=sen(x)\\qquad f(x)=cos(x)\\qquad f(x)=tg(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"383\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-las-funciones-continuas\"><\/span> \uc5f0\uc18d \ud568\uc218\uc758 \uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc158<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a7ee323bc5a3f73ad5e066b13bed5504_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"34\" style=\"vertical-align: -5px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6a5054ad96fb0978182340eb214bb125_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"g(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"32\" style=\"vertical-align: -5px;\"><\/p>\n<p> \uc810\uc5d0\uc11c \ub450 \uac1c\uc758 \uc5f0\uc18d \ud568\uc218<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c20f4d749ca0651113257e1f1ea66b02_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=a,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: -4px;\"><\/p>\n<p> \ub2e4\uc74c:<\/p>\n<ul>\n<li> \ud55c \uc810\uc5d0\uc11c <strong>\ub450 \uc5f0\uc18d \ud568\uc218\uc758 \ud569\uc740<\/strong> \ud574\ub2f9 \uc810\uc5d0\uc11c \ub610 \ub2e4\ub978 \uc5f0\uc18d \ud568\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c566932a59271b6e33a784bcf81ee749_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)+g(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"88\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> \ud55c \uc810\uc5d0\uc11c <strong>\ub450 \uc5f0\uc18d \ud568\uc218\uc758 \uacf1\uc740<\/strong> \ud574\ub2f9 \uc810\uc5d0\uc11c \ub2e4\ub978 \uc5f0\uc18d \ud568\uc218\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d47b381826b8c5e901bf202b6d4b14c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)\\cdot g(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"79\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> \ud55c \uc810\uc5d0\uc11c <strong>\ub450 \uac1c\uc758 \uc5f0\uc18d \ud568\uc218\ub97c \ub098\ub204\uba74<\/strong> \uadf8 \uc810\uc774 \ub098\ub217\uc148 \uae30\ub2a5\uc744 \ucde8\uc18c\ud558\uc9c0 \uc54a\ub294 \ud55c \uadf8 \uc810\uc5d0\uc11c \ub610 \ub2e4\ub978 \uc5f0\uc18d \ud568\uc218\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5962b35380c55e0089deeac0a98b01fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{f(x)}{g(x)}\\qquad g(a)\\neq 0\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"135\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<ul>\n<li> \ud55c \uc810\uc5d0\uc11c <strong>\ub450 \uac1c\uc758 \uc5f0\uc18d \ud568\uc218\uac00 \ud569\uc131\ub418\uba74<\/strong> \ub3d9\uc77c\ud55c \uc810\uc5d0\uc11c \uc5f0\uc18d \ud568\uc218\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ba04f43c8995b3659a05f370a10485a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)\\circ g(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"83\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\ucc38\uace0:<\/strong> <span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u1100\u1175\u1102\u1173\u11bc\u110b\u1174-\u1100\u116e\u1109\u1165\u11bc-\u1107\u1169\u11a8\u1112\u1161\u11b8-\u1100\u1175\u1102\u1173\u11bc\/\">\ubcf5\ud569 \ud568\uc218\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/a><\/span> <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-la-continuidad-de-una-funcion\"><\/span> \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc5d0 \ub300\ud55c \ud574\uacb0 \uc5f0\uc2b5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \uadf8\ub798\ud504\uc5d0 \ud45c\uc2dc\ub41c \ud568\uc218\uc758 \ubd88\uc5f0\uc18d\uc131\uc744 \ucc3e\uc544\ubcf4\uc138\uc694. \ub610\ud55c \uadf8\uac83\uc774 \uc5b4\ub5a4 \uc720\ud615\uc758 \ubd88\uc5f0\uc18d\uc778\uc9c0 \uacb0\uc815\ud558\uc2ed\uc2dc\uc624. <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exercice-resolu-discontinuites-de-fonctions.webp\" alt=\"\uc6b4\ub3d9\uc740 \uae30\ub2a5\uc758 \ubd88\uc5f0\uc18d\uc131\uc744 \ud574\uacb0\ud588\uc2b5\ub2c8\ub2e4.\" class=\"wp-image-1433\" width=\"400\" height=\"344\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<p> <strong>\ucc38\uace0:<\/strong> \uc774 \uc5f0\uc2b5\uc744 \uc218\ud589\ud558\ub824\uba74 \uba3c\uc800 \ub2e4\uc591\ud55c \uc720\ud615\uc758 \ubd88\uc5f0\uc18d\uc131\uc774 \ubb34\uc5c7\uc778\uc9c0, \uc5b4\ub5bb\uac8c \uc2dd\ubcc4\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. <u style=\"text-decoration-color:#FF9B28;\">\ubd88\uc5f0\uc18d \uc720\ud615<\/u> \uc758 \uc6d0\ub9ac \ub9c1\ud06c\uc5d0\uc11c \uc124\uba85\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ud568\uc218\ub97c \uadf8\ub9ac\ub824\uba74 x=-2, x=1, x=4\uc5d0\uc11c \uc5f0\ud544\uc744 \uc62c\ub824\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud568\uc218\ub294 \uc774 \uc138 \uc9c0\uc810\uc5d0\uc11c \ubd88\uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> x=-2\uc5d0\uc11c \uc67c\ucabd \uadf9\ud55c\uc740 +\u03c0\uc774\uace0 \uc624\ub978\ucabd \uadf9\ud55c\uc740 3\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uce21\uba74 \uadf9\ud55c \uc911 \ud558\ub098\uac00 \ubb34\ud55c\ud558\uae30 \ub54c\ubb38\uc5d0 \ud568\uc218\ub294 x=-2\uc5d0\uc11c \ubd88\uac00\ud53c\ud55c \ubb34\ud55c \uc810\ud504 \ubd88\uc5f0\uc18d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eff79ace33659ceb8203e6e27f38fe35_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to -2^-} f(x) = +\\infty \\ \\neq \\ \\lim_{x \\to -2^+} f(x) = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"296\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> x=1\uc5d0\uc11c \ud568\uc218\uc758 \uadf9\ud55c\uc740 0\uc774\uace0, \ubc18\uba74\uc5d0 x=1\uc5d0\uc11c \ud568\uc218\uc758 \uac12\uc740 2\uc640 \uac19\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud568\uc218\ub294 x=1\uc5d0\uc11c \ud53c\ud560 \uc218 \uc788\ub294 \ubd88\uc5f0\uc18d\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3a616cc5210984ffeed3525a219dd53a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 1^-} f(x) =   \\lim_{x \\to 1^+} f(x) = 0 \\ \\bm{\\longrightarrow} \\ \\lim_{x \\to 1} f(x) = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"350\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-61593bab94da601722d6ae7aedfdb172_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 1} f(x) =  0 \\neq  f(0) = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"187\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> x = 4\uc5d0\uc11c \uc67c\ucabd \uadf9\ud55c\uc740 -3\uc774\uace0 \uc624\ub978\ucabd \uadf9\ud55c\uc740 1\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub450 \uce21\uba74 \uadf9\ud55c\uc774 \ub2e4\ub974\uace0 \ub458 \ub2e4 \ubb34\ud55c\ub300\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \ud568\uc218\ub294 \ud544\uc5f0\uc801\uc73c\ub85c x =4\uc5d0\uc11c \uc720\ud55c \uc810\ud504 \ubd88\uc5f0\uc18d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b758745a987f927350b2d885009c3a87_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 4^-} f(x) = -3 \\ \\neq \\ \\lim_{x \\to 4^+} f(x) = 1\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"265\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \uadf8\ub798\ud504\uc5d0 \ud45c\uc2dc\ub41c \ud568\uc218\uac00 \ubd88\uc5f0\uc18d\uc801\uc778 \uc9c0\uc810\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exercice-resolu-types-de-discontinuites-d-une-fonction.webp\" alt=\"\ud568\uc218\uc758 \ubd88\uc5f0\uc18d\uc131 \uc720\ud615\uc5d0 \ub300\ud55c \ud574\uacb0 \uc5f0\uc2b5\" class=\"wp-image-1435\" width=\"515\" height=\"434\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> x=6 \uc9c0\uc810\uc5d0\uc11c \uc5f4\ub9b0 \uc9c0\uc810\uc774 \uc788\uae30 \ub54c\ubb38\uc5d0 \uae30\ub2a5\uc774 \uc911\ub2e8\ub429\ub2c8\ub2e4. x\uac00 6\uc5d0 \uc811\uadfc\ud560 \ub54c\uc758 \ud55c\uacc4\ub294 -1.4\uc774\uc9c0\ub9cc f(6)=1\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud568\uc218\ub294 \uadf9\ud55c \uac12\uc774 \ud568\uc218 \uac12\uacfc \uc77c\uce58\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 x=6\uc5d0\uc11c \ud53c\ud560 \uc218 \uc788\ub294 \ubd88\uc5f0\uc18d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-33612be383c71fea04c8c886710f7f10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left. \\begin{array}{l} \\displaystyle \\lim_{x \\to 6^-} f(x)=-1,4\\\\[3ex] \\displaystyle \\lim_{x \\to 6^+} f(x)=-1,4 \\end{array} \\right\\} \\bm{\\longrightarrow} \\lim_{x \\to 6} f(x)=-1,4\" title=\"Rendered by QuickLaTeX.com\" height=\"76\" width=\"326\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-647b9aea6cc8b605d7e8bc7d5e83ee64_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x \\to 6} f(x)=-1,4 \\neq f(6)=1\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"217\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> x=-3\uc5d0\uc11c\ub294 \uce21\uba74 \ud55c\uacc4\uac00 \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba70 \ubb34\ud55c\ub300\uac00 \uc81c\uacf5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \ud568\uc218\ub294 x=-3\uc5d0\uc11c \ubd88\uac00\ud53c\ud55c \uc720\ud55c \uc810\ud504 \ubd88\uc5f0\uc18d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f7d2a2c7abbc525adfcc7576b449f1a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to -3^-} f(x)=-2 \\neq \\lim_{x \\to -3^+} f(x)=1\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"275\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud568\uc218\ub294 x = 3\uc5d0\uc11c \ubd88\uac00\ud53c\ud55c \ubb34\ud55c \uc810\ud504 \ubd88\uc5f0\uc18d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4. \uc774 \uc9c0\uc810\uc5d0\uc11c \uc801\uc5b4\ub3c4 \ud558\ub098\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ubb34\ud55c\ub300\uac00 \ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-89bdb1598b6153cec4e9efce7b0927b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 3^-} f(x)=+\\infty \\qquad \\lim_{x \\to 3^+} f(x)=-\\infty\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"300\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 3<\/h3>\n<p> \ub2e4\uc74c \uc720\ub9ac \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-59ee18262fd6f3427ebab6ceabb22868_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(x)= \\frac{2}{x-5}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"101\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc720\ub9ac\ud568\uc218\ub294 \uc804\uccb4 \uc601\uc5ed, \uc989 \ubd84\ubaa8\ub97c \ucde8\uc18c\ud558\ub294 \uac12\uc744 \uc81c\uc678\ud55c \ubaa8\ub4e0 \uc2e4\uc218\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc5b4\ub5a4 \uc810\uc774 \ub3c4\uba54\uc778\uc5d0 \uc18d\ud558\uc9c0 \uc54a\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc720\ub9ac \ud568\uc218\uc758 \ubd84\ubaa8\ub97c 0\uc73c\ub85c \uc124\uc815\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-845b4cbd750afedb8e09b0ed6a9809c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"73\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8ddab230605c435eb8b7408a736d3e77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=5\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-96a28ea816d10d62e90dd13ad1aa79c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{Dom } f = \\mathbb{R} - \\{5\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"138\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ud568\uc218\ub294 x=5\ub97c \uc81c\uc678\ud55c \ubaa8\ub4e0 \uc810\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 4<\/h3>\n<p> \ub2e4\uc74c \uc870\uac01\ubcc4 \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a18e6289d268e6ea9fe1ee3ea14d31fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(x)= \\left\\{ \\begin{array}{lcl} 5x-2 &amp; \\text{si} &amp;  x < 1 \\\\[2ex] x^2+2 &amp; \\text{si} &amp; x \\geq 1 \\end{array} \\right.\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"218\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774 \uae30\ub2a5\uc740 \uccab \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub3c4 \uc5f0\uc18d\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e05d9a74362639e610acff0ab2d83b16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"5x-2\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"49\" style=\"vertical-align: 0px;\"><\/p>\n<p> , \ub450 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\uc640 \uac19\uc774,<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-79baa9dfae33805a8e2362cc182fd867_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"47\" style=\"vertical-align: -2px;\"><\/p>\n<p> , \uc774\ub294 \ub2e4\ud56d\uc2dd \ud568\uc218\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ud568\uc218\uac00 \ubd88\uc5f0\uc18d\uc801\uc77c \uc218 \uc788\ub294 \uc720\uc77c\ud55c \uc9c0\uc810\uc740 \ud568\uc218\uac00 \uc870\uac01\ubcc4\ub85c \uc911\ub2e8\ub418\ub294 \uc9c0\uc810\uc785\ub2c8\ub2e4. \uc774\uc81c \uc774 \uc2dc\uc810\uc5d0\uc11c \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3c84a263e22011d5c8d67c9ee977f98e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 1^-} f(x) = \\lim_{x \\to 1} (5x-2)=5\\cdot 1-2=\\bm{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"309\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a1d1b6f5e109c06114b9e36af6f7078a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 1^+} f(x) = \\lim_{x \\to 1} (x^2+2)=1^2+2=\\bm{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"30\" width=\"293\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ub450 \uce21\uba74 \uadf9\ud55c\uc740 \uc77c\uce58\ud558\uba70, x\uac00 1\ub85c \uacbd\ud5a5\uc77c \ub54c \ud568\uc218\uc758 \uadf9\ud55c\uc740 3\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a621c7ef999aae5418c2f71da1da67f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 1^-} f(x) = \\lim_{x \\to 1^+} f(x) = 3 \\ \\bm{\\longrightarrow} \\ \\exists \\lim_{x \\to 1} f(x) = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"360\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uac8c\ub2e4\uac00 x=1\uc758 \uc774\ubbf8\uc9c0\ub3c4 3\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-61f3e46233f15d71b39af62ae6bfb4eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(1)=1^2+2=\\bm{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"137\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c, x=1\uc5d0\uc11c\uc758 \ud568\uc218\uc758 \uadf9\ud55c\uc740 \uc0c1\uae30 \uc810\uc758 \uc774\ubbf8\uc9c0\uc640 \ub3d9\uc77c\ud558\ubbc0\ub85c, \ud568\uc218\ub294 \uc810 x=1\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uadf8\uac83\uc740 \ubaa8\ub4e0 \uc2e4\uc218\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8cb4559dfddcda3b3c68a5d64eeadcee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(1)=\\lim_{x \\to 1} f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"122\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 5<\/h3>\n<p> \ub2e4\uc74c \ube44\ud569\ub9ac \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc744 \uc5f0\uad6c\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c43021550a231793494acc2b6eea24d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\sqrt{2x+6}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"123\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\ub294 \uc9dd\uc218 \uc778\ub371\uc2a4\ub97c \uac16\ub294 \uadfc\ud638 \ud568\uc218\uc774\ubbc0\ub85c \uadfc\ud638\uc758 \uc778\uc218\uac00 0\ubcf4\ub2e4 \ud070 \ud55c(\uc74c\uc218\uc758 \uc81c\uacf1\uadfc\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0) \ud568\uc218\ub294 \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d54da4e00c0cc48d43914e9e34b1c1d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x+6\\ge 0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"82\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 \ubd88\ud3c9\ub4f1\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7739f2163d650971be01af6f5a93ae25_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x\\ge -6\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"66\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-db29954e4e5815cd2bf4bcbfe4c53145_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\\ge \\cfrac{-6}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"67\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dfc84780b14328431bcc372ff904772d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\\ge -3\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"57\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ud574\ub294 -3\ubcf4\ub2e4 \ud06c\uac70\ub098 \uac19\uc740 \ubaa8\ub4e0 \uc22b\uc790\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud568\uc218\ub294 \ud574\ub2f9 \uc601\uc5ed\uc758 \uac04\uaca9\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1d2a6678926adfe02dc663e155ec573f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mathbf{Dom } \\ \\bm{f = [-3,+\\infty) }\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"156\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 6<\/h3>\n<p> \ub2e4\uc74c \ub85c\uadf8 \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e2c2073b5212610fcc153bdb47eacccf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\log_3 (-3x+6)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"165\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\uac83\uc740 \ub85c\uadf8 \ud568\uc218\uc774\uba70 \uc74c\uc218\uc758 \ub85c\uadf8\ub098 0\uc758 \ub85c\uadf8\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub85c\uadf8\uc758 \uc778\uc218\uac00 \uc591\uc218(0\ubcf4\ub2e4 \ud07c)\uc778 \ud55c \ud568\uc218\ub294 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-53c23d1b367425e8cfb94fb36235b8f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3x+6>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;95&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 \ubd88\ud3c9\ub4f1\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d0183470903eba7ebd08dfcdbf49287e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3x>-6&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;78&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9c67175fd587232ef7d927f7dfca725f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x<\\cfrac{-6}{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"67\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubd80\ub4f1\uc2dd\uc758 \ubc18\ub300\ud3b8\uc73c\ub85c \uc74c\uc218\ub97c \ub098\ub20c \ub54c\ub294 \ubd80\ub4f1\uc2dd\uc758 \ubd80\ud638\ub97c \ub4a4\uc9d1\uc5b4\uc57c \ud55c\ub2e4\ub294 \uc810\uc744 \uae30\uc5b5\ud558\uc2ed\uc2dc\uc624.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-88de95669c546ef6d18c28d0579fbe0c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x<2\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"42\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ud574\ub294 2\ubcf4\ub2e4 \uc791\uc740 \ubaa8\ub4e0 \uc22b\uc790\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud568\uc218 \uc815\uc758 \uc601\uc5ed\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-505dcdf16c80fdf012163a8800d92836_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mathbf{Dom } \\ \\bm{f = (-\\infty,2) }\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"144\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ud568\uc218\ub294 \ud574\ub2f9 \uc601\uc5ed\uc758 \ubaa8\ub4e0 \uc9c0\uc810\uc5d0\uc11c \uc5f0\uc18d\uc785\ub2c8\ub2e4.<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 7<\/h3>\n<p> \ub2e4\uc74c \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-66e02ab966f87bc29b3791246fbf8032_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\cfrac{4x-2}{\\sqrt{-2x-8}}\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"139\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ubd84\uc218\uc758 \ubd84\ubaa8\uc5d0\ub294 \uc9c0\uc218\uac00 \uc9dd\uc218\uc778 \uadfc\ud638\uac00 \uc788\uc73c\ubbc0\ub85c \uadfc\uc758 \ub0b4\uc6a9\uc774 0\ubcf4\ub2e4 \ud06c\uac70\ub098 \uac19\uc744 \ub54c\ub9c8\ub2e4 \ud568\uc218\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-042efdf7af54fcbec527f0ee83e1b007_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-2x-8\\geq 0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"95\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub7ec\ub098 \ub610\ud55c \uadfc\uc740 \ubd84\uc218\uc758 \ubd84\ubaa8\uc5d0 \uc788\uace0 \ubd84\uc218\uc758 \ubd84\ubaa8\ub294 \uacb0\ucf54 0\uc774 \ub420 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uadfc\uc758 \ub0b4\uc6a9\uc774 \uc5c4\uaca9\ud558\uac8c 0\ubcf4\ub2e4 \ud070 \uacbd\uc6b0\uc5d0\ub9cc \ud568\uc218\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-62002e9d71e0718d04d6d9db08d0e04b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-2x-8> 0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;95&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \ubd88\ud3c9\ub4f1\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-336543c46271685f7d069786d2cf4e12_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-2x>8&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;64&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3e4a2af9f53dd0a356211660f770666e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x<\\cfrac{8}{-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"59\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubd80\ub4f1\uc2dd\uc744 \uacf1\ud558\uac70\ub098 \ub098\ub204\uc5b4 \uc74c\uc218\uc758 \ubcc0\uc744 \ubc14\uafc0 \ub54c \ubd80\ub4f1\ud638\ub3c4 \ud68c\uc804\ud574\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uae30\uc5b5\ud558\uc138\uc694.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ee1c9c50b3c39064f9670f06f9bdc8fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x<-4\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"57\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uacb0\uacfc\ub294 -4\ubcf4\ub2e4 \uc791\uc740 \ubaa8\ub4e0 \uc22b\uc790\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud568\uc218\uc758 \uc601\uc5ed\uacfc \uadf8\uc5d0 \ub530\ub978 \uc5f0\uc18d\uc131\uc740 \ub2e4\uc74c \uac04\uaca9\uc73c\ub85c \uc815\uc758\ub429\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-00cfb1cb63133c3092854bb810abfce8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mathbf{Dom } \\ \\bm{f = (-\\infty,-4) }\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"158\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 8<\/h3>\n<p> \ud568\uc218\uac00 \uc804\uccb4\uc801\uc73c\ub85c \uc5f0\uc18d\ub418\ub3c4\ub85d <em>k<\/em> \uac12\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6a134e3092861eafea1239dba23bea40_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mathbb{R} .\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f7d8f0d6e0730c139c3baff0989a8fe7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(x)= \\left\\{ \\begin{array}{lcl} kx-1 &amp; \\text{si} &amp;  x \\leq 2 \\\\[2ex] 3x^2 - 5  &amp; \\text{si} &amp; x > 2 \\end{array} \\right.&#8221; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;65&#8243; width=&#8221;225&#8243; style=&#8221;vertical-align: 0px;&#8221;><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ud568\uc218\uac00 \uc5f0\uc18d\uc801\uc774\ub824\uba74 \uc911\ub2e8\uc810\uc758 \ub450 \uce21\uba74 \uadf9\ud55c\uc774 \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uba3c\uc800 <em>k<\/em> \uac00 \uc5c6\ub294 \ubd80\ud488\uc758 \ud30c\uc190\uc810\uc5d0\uc11c \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7eff7d699bc801340c66f4fd95c30b2c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 2^+} f(x) = \\lim_{x \\to 2} (3x^2 - 5) = 3\\cdot 2^2-5=\\bm{7}\" title=\"Rendered by QuickLaTeX.com\" height=\"30\" width=\"324\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uc870\uac01\ubcc4 \ud568\uc218\uac00 \uc5f0\uc18d\uc774 \ub418\ub824\uba74 \ubc18\ub300\ucabd \uadf9\ud55c\ub3c4 7\uacfc \uac19\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 \ub2e4\ub978 \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud558\ub824\uace0 \ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1fc80cd47e7fd6cf50b2f2de57c4b40f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lim_{x \\to 2^-} f(x) = \\lim_{x \\to 2} (kx-1) = k\\cdot2 -1= 2k-1\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"350\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ud568\uc218\uac00 \uc5f0\uc18d\uc774 \ub418\ub824\uba74 \ubaa8\ub4e0 \uc810\uc758 \ub450 \uce21\uba74 \uadf9\ud55c\uc774 \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uadf9\ud55c\uc5d0\uc11c \uc5bb\uc740 \ud45c\ud604\uc2dd\uc744 7(\ub2e4\ub978 \uce21\uba74 \uadf9\ud55c\uc758 \uacb0\uacfc)\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8b99f2f508e7c3f7ab4ebaa9f30638a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2k -1= 7\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"82\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacb0\uacfc \ubc29\uc815\uc2dd\uc744 \ud480\uc5b4 <em>k<\/em> \uac12\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c591d3bbba83f012852966634d0d8234_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2k-1 = 7\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"82\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-747038396badd9b1d5e6336cf463fe13_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2k = 7 +1\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"81\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa5cd6bc10e8ce9c34542635d995323c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2k = 8\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"51\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1009397e0b35416230f2a5a3d307755a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k = \\cfrac{8}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"44\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffe7f00b80fc8f5c4961250446632d6e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{k =4}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc5f0\uc18d \ud568\uc218\uac00 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \ud568\uc218\uac00 \ud55c \uc810\uc5d0\uc11c \uc5f0\uc18d\uc778\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uc5f0\uc18d \ud568\uc218\uc758 \uc18d\uc131\uacfc \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ud568\uc218\uc758 \uc5f0\uc18d\uc131 \ubd84\uc11d\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc5f0\uc18d\ud568\uc218\uc5d0 \ub300\ud55c \ud480\uc774 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uac1c\ub150\uc744 \uc644\uc804\ud788 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uc18d\ud568\uc218\ub780 \ubb34\uc5c7\uc778\uac00? \ud568\uc218\uc758 \uc5f0\uc18d\uc131\uc740 \uadf8\ub798\ud53d\uc73c\ub85c \uc5f0\uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uc18d\ud568\uc218\ub780 \uc885\uc774\uc5d0\uc11c \uc5f0\ud544\uc744 \ub5bc\uc9c0 \uc54a\uace0\ub3c4 \uadf8\ub798\ud504\ub85c \ud45c\ud604\ud560 \uc218 \uc788\ub294 \ud568\uc218\ub97c &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ec%97%b0%ec%86%8d%ed%95%a8%ec%88%98-%ed%95%a8%ec%88%98%ec%9d%98-%ec%97%b0%ec%86%8d%ec%84%b1\/\"> <span class=\"screen-reader-text\">\uc5f0\uc18d\ud568\uc218(\ud568\uc218\uc758 \uc5f0\uc18d\uc131)<\/span> \ub354 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