{"id":377,"date":"2023-07-04T05:10:26","date_gmt":"2023-07-04T05:10:26","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ec%b8%a1%eb%a9%b4-%ed%95%9c%ea%b3%84\/"},"modified":"2023-07-04T05:10:26","modified_gmt":"2023-07-04T05:10:26","slug":"%ec%b8%a1%eb%a9%b4-%ed%95%9c%ea%b3%84","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ec%b8%a1%eb%a9%b4-%ed%95%9c%ea%b3%84\/","title":{"rendered":"\uce21\uba74 \ud55c\uacc4"},"content":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4(\uc608\uc81c \ud3ec\ud568). \ub610\ud55c \uadf8\ub798\ud504\uc640 \uc218\uce58\ub97c \ud1b5\ud574 \ud568\uc218\uc758 \uc67c\ucabd \ubc0f \uc624\ub978\ucabd \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\ub824\ub4dc\ub9bd\ub2c8\ub2e4. \ub610\ud55c, \uce21\uba74 \ud55c\uacc4\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\uac00\ub294 \uc6b4\ub3d9\uc73c\ub85c \ud2b8\ub808\uc774\ub2dd\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-son-los-limites-laterales\"><\/span> \uce21\uba74 \ud55c\uacc4\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud55c \uc9c0\uc810\uc5d0\uc11c <strong>\ud568\uc218\uc758 \uce21\uba74 \ud55c\uacc4\ub294<\/strong> \ud574\ub2f9 \uc9c0\uc810 \uc8fc\ubcc0\uc758 \ud568\uc218 \ub3d9\uc791\uc744 \uc5f0\uad6c\ud569\ub2c8\ub2e4. \uc67c\ucabd \uce21\uba74 \uadf9\ud55c\uacfc \uc624\ub978\ucabd \uce21\uba74 \uadf9\ud55c\uc774 \uc788\ub294\ub370, \uc774\ub294 \uace0\ub824\ub418\ub294 \uc9c0\uc810\uc758 \uc67c\ucabd\uacfc \uc624\ub978\ucabd\uc5d0 \ub300\ud55c \ud568\uc218 \uac12\uc744 \uac01\uac01 \ubd84\uc11d\ud569\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"limites-laterales-por-la-izquierda-y-por-la-derecha\"><\/span> \uc67c\ucabd \ubc0f \uc624\ub978\ucabd \uce21\uba74 \uc81c\ud55c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uce21\uba74 \uacbd\uacc4\uc758 \uc815\uc758\uc5d0\uc11c \uc0b4\ud3b4\ubcf8 \uac83\ucc98\ub7fc \uc67c\ucabd \uce21\uba74 \uacbd\uacc4\uc640 \uc624\ub978\ucabd \uce21\uba74 \uacbd\uacc4\uc758 \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ud568\uc218\uc758 \uc67c\ucabd \uadf9\ud55c\uc740 \uadf9\ud55c\uc744 \ubd84\uc11d\ud558\ub294 \uc9c0\uc810\uc5d0\uc11c \ub9c8\uc774\ub108\uc2a4 \uae30\ud638\ub85c \ud45c\uc2dc\ub418\uace0, \uc624\ub978\ucabd \uadf9\ud55c\uc740 \ud50c\ub7ec\uc2a4 \uae30\ud638\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-129\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow\">\n<p class=\"has-text-align-center\"> <strong><u style=\"text-decoration-color:#FF9B28;\">\uc67c\ucabd\uc758 \uce21\uba74 \uc81c\ud55c<\/u><\/strong> <\/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-3224554094b2418a485786bfbe4db5f1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to a^{\\color{orange}\\bm{-}\\color{black}}}f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"141\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<\/div>\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow\">\n<p class=\"has-text-align-center\"> <strong><u style=\"text-decoration-color:#FF9B28;\">\uc624\ub978\ucabd\uc758 \uce21\uba74 \uc81c\ud55c<\/u><\/strong><\/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-9e2e49ad15a0b5fd2db93797689ea1b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to a^{\\color{orange}\\bm{+}\\color{black}}}f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"141\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<\/div>\n<\/div>\n<p> \uce21\uba74 \ud55c\uacc4\uc758 \uc758\ubbf8\ub97c \ub354 \uc798 \uc774\ud574\ud558\ub824\uba74 \ub2e4\uc74c \uc608\ub97c \uc0b4\ud3b4\ubcf4\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\/limites-laterales.webp\" alt=\"\uce21\uba74 \ud55c\uacc4\" class=\"wp-image-823\" width=\"299\" height=\"314\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \uc774 \uc870\uac01\ubcc4 \ud568\uc218\uc758 \uadf8\ub798\ud53d \ud45c\ud604\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 \uce21\uba74 \ud55c\uacc4\ub294 \uacc4\uc0b0\ub418\ub294 \uce21\uba74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n<p> \uc774 \uacbd\uc6b0 \ud568\uc218\ub294 x\uac00 \uc67c\ucabd\uc5d0\uc11c x=2\uc5d0 \uac00\uae4c\uc6cc\uc9c8\uc218\ub85d 3\uc5d0 \uac00\uae4c\uc6b4 \uac12\uc744 \ucde8\ud558\ubbc0\ub85c <em>x\uac00<\/em> \uc67c\ucabd\uc5d0\uc11c 2\uc5d0 \uac00\uae4c\uc6cc\uc9c8\uc218\ub85d \ud568\uc218\ub294 3\uc5d0 \uac00\uae4c\uc6cc\uc9d1\ub2c8\ub2e4.<\/p>\n<p> \ubc18\uba74 x=2\uc5d0\uc11c \uc120\uc73c\ub85c \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc740 6\uc758 \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc120\uc73c\ub85c x=2 \uc9c0\uc810\uc5d0 \uc811\uadfc\ud558\uba74 \ud568\uc218\ub294 f(x)=\uc5d0 \uc810\uc810 \ub354 \uac00\uae4c\uc6b4 \uac12\uc744 \ucde8\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. 6.<\/p>\n<p> \ubc18\uba74, \uce21\uba74 \ud55c\uacc4\ub294 \uc77c\ubc18 \ud55c\uacc4\uc640 \ub3d9\uc77c\ud55c \uc18d\uc131\uc744 \uac16\ub294\ub2e4\ub294 \uac83\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c \ub9c1\ud06c\uc5d0\uc11c \uacbd\uacc4 \uc18d\uc131\uc774 \ubb34\uc5c7\uc778\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\ucc38\uace0:<\/strong> <span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u1109\u1169\u11a8\u1109\u1165\u11bc\u110b\u1174-\u1100\u1173\u11a8\u1112\u1161\u11ab-\u1107\u1165\u11b8\u110e\u1175\u11a8\/\">\uacbd\uacc4 \uc18d\uc131<\/a><\/span><\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"limites-laterales-iguales\"><\/span>\ub3d9\ub4f1\ud55c \uce21\uba74 \ud55c\uacc4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubc29\uae08 \ud568\uc218\uc758 \uce21\uba74 \ud55c\uacc4\uac00 \ub2e4\ub978 \uc608\ub97c \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc&#8230; \uce21\uba74 \ud55c\uacc4\uac00 \ub3d9\uc77c\ud558\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c\uc694?<\/p>\n<p> <strong>\ud55c \uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ubaa8\ub450 \uc874\uc7ac\ud558\uace0 \uac19\uc73c\uba74<\/strong> \ud568\uc218\uc758 \uadf9\ud55c\uc740 \ud574\ub2f9 \uc810\uc5d0 \uc874\uc7ac\ud558\uba70 \uadf9\ud55c\uc758 \uacb0\uacfc\ub294 \uce21\uba74 \uadf9\ud55c\uc758 \uac12\uc785\ub2c8\ub2e4.<\/p>\n<p> \uc989, \ud55c \uc810\uc5d0\uc11c \ud568\uc218\uc758 \uadf9\ud55c\uc774 \uc874\uc7ac\ud558\ub824\uba74 \ub2e4\uc74c \uc870\uac74\uc744 \ub9cc\uc871\ud574\uc57c \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-1d596fffab33786b9af4466210642acf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to a^-}f(x)=\\lim_{x\\to a^+}f(x)=L \\ \\iff \\ \\lim_{x\\to a}f(x)=L\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"378\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \ud55c \uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ub2e4\ub978 \uacbd\uc6b0 \ud574\ub2f9 \uc810\uc5d0\uc11c \ud568\uc218\uc758 \uadf9\ud55c\uc740 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub610\ud55c, \ud55c \uc810\uc5d0\uc11c \ud568\uc218\uc758 \uadf9\ud55c\uc774 \uc874\uc7ac\ud55c\ub2e4\ub294 \uac83\uc740 \uadf8\uac83\uc774 <span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u110b\u1167\u11ab\u1109\u1169\u11a8\u1112\u1161\u11b7\u1109\u116e-\u1112\u1161\u11b7\u1109\u116e\u110b\u1174-\u110b\u1167\u11ab\u1109\u1169\u11a8\u1109\u1165\u11bc\/\">\ud55c \uc810\uc5d0\uc11c \uc5f0\uc18d\ud568\uc218<\/a><\/span> \uc774\uae30 \uc704\ud55c \ud544\uc218\uc870\uac74\uc774\ub2e4.<\/p>\n<p> \uce21\uba74 \ud55c\uacc4\uc758 \uac1c\ub150\uc744 \uc644\uc804\ud788 \uc774\ud574\ud558\uae30 \uc704\ud574 \uc608\ub97c \ud480\uc5b4\ubcf4\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=\"\" class=\"wp-image-201\" width=\"429\" height=\"299\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \uadf8\ub798\ud53d\uc73c\ub85c \ud45c\ud604\ub41c \ud568\uc218\uc758 x=-2 \uc9c0\uc810\uc5d0\uc11c \uce21\uba74 \ud55c\uacc4\ub294 \uc77c\uce58\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ud568\uc218\uc758 \uac12\uc740 \uc67c\ucabd\uc5d0\uc11c x=-2\uc5d0 \uc811\uadfc\ud558\ub4e0 \uc624\ub978\ucabd\uc5d0\uc11c \uc811\uadfc\ud558\ub4e0 \uad00\uacc4\uc5c6\uc774 3\uc744 \ud5a5\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c x=-2\uc5d0\uc11c \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-b7e7a7ee82b827ba469558c38fc81a45_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to -2^-}f(x)=\\lim_{x\\to -2^+}f(x)=3 \\ \\longrightarrow \\ \\lim_{x\\to -2}f(x)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"389\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p> \ubc18\uba74, x=4 \uc9c0\uc810\uc5d0\uc11c\ub294 \uce21\uba74 \ud55c\uacc4\uac00 \ub2e4\ub985\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc67c\ucabd\uc5d0\uc11c \ud568\uc218\ub294 f(x)=3\uc5d0 \uc811\uadfc\ud558\uc9c0\ub9cc \uc624\ub978\ucabd\uc5d0\uc11c\ub294 \ud568\uc218\uac00 f(x)=2\uc5d0 \uc811\uadfc\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \uc2dc\uc810\uc5d0\uc11c \uae30\ub2a5\uc758 \ud55c\uacc4\ub294 \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-a3a52e97ba4cff3c4cd84977fb27db89_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)=2 \\ \\longrightarrow \\ \\cancel{\\exists} \\ \\lim_{x\\to 4}f(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"374\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"calculo-de-limites-laterales\"><\/span> \uce21\uba74 \ud55c\uacc4 \uacc4\uc0b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uce21\uba74 \ud55c\uacc4\uc758 \uc815\uc758\uac00 \uc8fc\uc5b4\uc9c0\uba74 \ub2e4\uc74c \uc608\ub97c \ud480\uc5b4 \uc218\uce58\uc801\uc73c\ub85c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\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-42104fdcfcbc6e35486c13774c7288ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2}\\frac{3}{x-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"74\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> \ud3c9\uc18c\ub300\ub85c \uadf9\ud55c\uc744 \uacc4\uc0b0\ud558\uba74 \uc2e4\uc218\ub97c 0\uc73c\ub85c \ub098\ub208 \ubd88\ud655\uc815\uc131\uc744 \uc5bb\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-d98b33a08f3017676e2271bdb0b325d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2}\\frac{3}{x-2}=\\frac{3}{2-2}=\\frac{3}{0}=\\infty\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"220\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> \uadf8\ub7ec\ub098 \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud560 \ub54c \ubd88\ud655\uc815\uc131\uc740 \ubc1c\uc0dd\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-df0f7477f84abd22a805c7cf70300f16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^-}\\frac{3}{x-2}=\\ \\color{red}\\bm{?}\\color{black} \\qquad \\lim_{x\\to 2^+}\\frac{3}{x-2}=\\ \\color{red}\\bm{?}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"378\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p> x=2\uc5d0\uc11c \uc67c\ucabd\ubd80\ud130 \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc744 \uacc4\uc0b0\ud558\ub824\uba74 x=2\ubcf4\ub2e4 \uc791\uc9c0\ub9cc x=1.999\uc640 \ub9e4\uc6b0 \uac00\uae4c\uc6b4 \uc22b\uc790\ub97c \uc0ac\uc6a9\ud574\uc57c \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-e3cc43d40eb552932818635f1abcd310_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^-}\\frac{3}{x-2}=\\frac{3}{\\color{red}\\bm{1,999}\\color{black}-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"252\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \uc774 \uacbd\uc6b0 \ubd84\ubaa8\ub294 \ub9e4\uc6b0 \uc791\uc740 \uac12\uc744 \uac16\ub294 \uc74c\uc218\uc774\uc9c0\ub9cc 0\ub3c4 \uc544\ub2c8\uba70 \uc77c\ubc18\uc801\uc73c\ub85c \ubd84\ubaa8 \uc55e\uc5d0 0\uacfc \ube7c\uae30 \uae30\ud638\uac00 \ud45c\uc2dc\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-32da1df64469d97474fd1b9e25efcd31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^-}\\frac{3}{x-2}=\\frac{3}{1,999-2}=\\frac{3}{\\color{red}\\bm{-0}\\color{black}}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"302\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \uce21\uba74 \uadf9\ud55c\uc758 \uacb0\uacfc\ub294 \uc74c\uc758 \ubb34\ud55c\ub300\uc785\ub2c8\ub2e4. 0\uc73c\ub85c \ub098\ub208 \ubaa8\ub4e0 \uc22b\uc790\ub294 \ubb34\ud55c\ub300\ub97c \uc81c\uacf5\ud558\uace0 \uc591\uc218\ub97c \uc74c\uc218\ub85c \ub098\ub204\uba74 \uc74c\uc218\ub97c \uc81c\uacf5\ud558\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-44072ab37d2d34b0a1cf8655d4b576c7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^-}\\frac{3}{x-2}=\\frac{3}{1,999-2}=\\frac{3}{-0}=\\color{red}\\bm{-\\infty}\\color{black}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"358\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \uc67c\ucabd\ubd80\ud130 x=2\uc5d0 \uac00\uae4c\uc6b4 \uac12\uc744 \uac16\ub294 \ud568\uc218\uc758 \uc774\ubbf8\uc9c0\ub97c \uacc4\uc0b0\ud558\uc5ec \ud568\uc218\uac00 \uc74c\uc758 \ubb34\ud55c\ub300\uc5d0 \uac00\uae4c\uc6cc\uc9c0\ub294 \uac83\uc744 \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-97d799f09c2e0890cf3a856bf9c711a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}\\begin{array}{l}f(1,9)=\\cfrac{3}{1,9-2}=-30\\\\[2ex]f(1,99)=\\cfrac{3}{1,99-2}=-300\\\\[2ex]f(1,999)=\\cfrac{3}{1,999-2}=-3000\\\\[2ex]f(1,9999)=\\cfrac{3}{1,9999-2}=-30000\\\\[2ex]f(1,99999)=\\cfrac{3}{1,99999-2}=-300000\\end{array}\\\\[16ex]\\vdots\\\\[1.5ex] f(2^-)=-\\infty\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"317\" width=\"294\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc624\ub978\ucabd\uc758 x=2 \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uadf9\ud55c\uc744 \ucc3e\uae30 \uc704\ud574 \ub3d9\uc77c\ud55c \ucd94\ub860\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, 2001\uacfc \uac19\uc774 2\ubcf4\ub2e4 \ud06c\uc9c0\ub9cc \ub9e4\uc6b0 \uac00\uae4c\uc6b4 \uac12\uc744 \uc0ac\uc6a9\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-21cbd07eef353c53bdfa09eaceb6bd25_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^+}\\frac{3}{x-2}=\\frac{3}{2,001-2}=\\frac{3}{+0}=+\\infty\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"292\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uc624\ub978\ucabd\uc5d0\uc11c x=2\uc5d0 \uac00\uae4c\uc6b8\uc218\ub85d \uac12\uc774 \uac00\uae4c\uc6b4 \ud568\uc218\uc758 \uc774\ubbf8\uc9c0\ub97c \uacc4\uc0b0\ud558\uc5ec \ud568\uc218\uac00 \ubb34\ud55c\ub300\ub97c \ud5a5\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc74c\uc744 \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-e6d448cdad3ac6ba82e749b30d2bcc11_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}\\begin{array}{l}f(2,1)=\\cfrac{3}{2,1-2}=30\\\\[2ex]f(2,01)=\\cfrac{3}{2,01-2}=300\\\\[2ex]f(2,001)=\\cfrac{3}{2,001-2}=3000\\\\[2ex]f(2,0001)=\\cfrac{3}{2,0001-2}=30000\\\\[2ex]f(2,00001)=\\cfrac{3}{2,00001-2}=300000\\end{array}\\\\[16ex]\\vdots\\\\[1.5ex] f(2^+)=+\\infty\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"317\" width=\"280\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub2e4\uc74c \uadf8\ub798\ud504\uc5d0\uc11c \ubd84\uc11d\ub41c \ud568\uc218\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\uc2dc\ub2e4\uc2dc\ud53c, \uc67c\ucabd x=2 \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc740 \uc74c\uc758 \ubb34\ud55c\ub300\uc774\uace0, \uc624\ub978\ucabd x=2 \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc740 \ud50c\ub7ec\uc2a4 \ubb34\ud55c\ub300\uc785\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\/representation-graphique-dune-fonction-de-proportionnalite-inverse.webp\" alt=\"\" class=\"wp-image-166\" width=\"508\" height=\"514\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-limites-laterales\"><\/span> \uce21\uba74 \uacbd\uacc4 \ubb38\uc81c\uac00 \ud574\uacb0\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \uc815\uc758\uac00 \ubcc0\uacbd\ub418\ub294 \uc9c0\uc810(x=-2 \ubc0f x=4)\uc5d0\uc11c \ub2e4\uc74c \uc870\uac01\ubcc4\ub85c \uc815\uc758\ub41c \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc744 \ucc3e\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\/exercices-resolus-de-fonctions-definies-par-parties.webp\" alt=\"\" class=\"wp-image-209\" width=\"395\" height=\"307\" srcset=\"\" sizes=\"auto, \"><\/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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uce21\uba74 \ud55c\uacc4\ub294 x=-2 \uc9c0\uc810\uc5d0\uc11c \uc77c\uce58\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc67c\ucabd\uc5d0\uc11c \ud568\uc218\ub294 f(x)=5\ub97c \ud5a5\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uace0, \ubc18\uba74 \uc624\ub978\ucabd\uc5d0\uc11c\ub294 \ud568\uc218\uac00 \uc0c1\uc218\uc774\uace0 \uac12\uc774 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-36fbddc8f36db5a92d77dd9e9b3b81ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to -2^-}f(x)=5\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"118\" 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-8e153627ce1a29511f502c30bd599a6e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to -2^+}f(x)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"119\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> x\uac00 4\uc5d0 \uc811\uadfc\ud558\uba74 \uce21\uba74 \ud55c\uacc4\ub3c4 \ub2e4\ub985\ub2c8\ub2e4. \uc870\uac01\ubcc4 \ud568\uc218\ub294 \uc67c\ucabd\uc5d0\uc11c 3\uc5d0 \uc811\uadfc\ud558\uc9c0\ub9cc \uc624\ub978\ucabd\uc5d0\uc11c -2\uc5d0 \uc811\uadfc\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-c590b4da48c82d7a43ef65e89b3e9977_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 4^-}f(x)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"109\" 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-a4d4c175b4f2e5ecfe44fb41fe420820_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 4^+}f(x)=-2\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"121\" 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> x\uac00 \ub2e4\uc74c \uc870\uac01 \ud568\uc218\uc758 3\uc5d0 \uc811\uadfc\ud560 \ub54c \uadf9\ud55c\uc774 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud558\uace0, \uadf8\ub807\ub2e4\uba74 \uadf8 \uac12\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? <\/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\/limites-laterales-dune-fonction-par-morceaux.webp\" alt=\"\uc870\uac01\ubcc4 \ud568\uc218\uc758 \uce21\uba74 \uc81c\ud55c\" class=\"wp-image-866\" width=\"337\" height=\"303\" srcset=\"\" sizes=\"auto, \"><\/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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774 \ubb38\uc81c\uc5d0\uc11c\ub294 \uc67c\ucabd\uacfc \uc624\ub978\ucabd\uc5d0\uc11c \uc810 x=3\uc758 \uce21\uba74 \ud55c\uacc4\uac00 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ud568\uc218\ub294 \uc67c\ucabd\uc5d0\uc11c \uc811\uadfc\ud558\ub4e0 \uc624\ub978\ucabd\uc5d0\uc11c \uc811\uadfc\ud558\ub4e0 \ub3d9\uc77c\ud55c \uac12(f(x)=3)\uc744 \ud5a5\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. . \uadf8\uc758 \uc624\ub978\ucabd: <\/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-d8f2aea7db3ddf52e74f09960dd15629_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 3^-}f(x)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"109\" 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-6ee9606c4d6e820e4ac3bb5fa5aa3575_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 3^+}f(x)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"108\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uadf9\ud55c\uc758 \uc218\ud559\uc801 \uc815\uc758\uc5d0 \ub530\ub974\uba74 x\uac00 3\uc73c\ub85c \uacbd\ud5a5\uc77c \ub54c \ud568\uc218\uc758 \uadf9\ud55c\uc740 3\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc774 \ub3d9\uc77c\ud55c \uc9c0\uc810\uc758 \ub450 \uce21\uba74 \uadf9\ud55c\uc774 \uc774 \uac12\uc5d0\uc11c \uc77c\uce58\ud558\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-f82de582de8671680e14cfbf92001010_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 3^-}f(x)=\\lim_{x\\to 3^+}f(x)=3 \\ \\longrightarrow \\ \\lim_{x\\to 3}f(x)=3\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"357\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> x=3\uc5d0\uc11c\uc758 \ud568\uc218\uc758 \uadf9\ud55c\uc740 3\uc774\uc9c0\ub9cc, \uc774 \uc2dc\uc810\uc5d0\uc11c\uc758 \ud568\uc218\ub294 3\uc774 \uc544\ub2c8\ub77c f(3)=7\uc774\ub77c\ub294 \uc810\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ub098\uc911\uc5d0 \uc0b4\ud3b4\ubcf4\uaca0\uc9c0\ub9cc \uc774\ub294 \ud568\uc218\uac00 x=3\uc5d0\uc11c \uc5f0\uc18d\uc774 \uc544\ub2c8\ub77c \ud53c\ud560 \uc218 \uc788\ub294 \ubd88\uc5f0\uc18d\uc131\uc744 \uac16\ub294\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/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> x=4 \uc9c0\uc810\uc5d0\uc11c \ub2e4\uc74c \uc720\ub9ac \ud568\uc218\uc758 \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-b5eff7e2ff1b4df8ee2ec49b7db80a18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\cfrac{-2x+3}{x-4}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"132\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> x\uac00 \uc67c\ucabd\uc5d0\uc11c 4\uc5d0 \uac00\uae4c\uc6cc\uc9c8 \ub54c\uc758 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud558\ub824\uba74 4\ubcf4\ub2e4 \uc791\uc9c0\ub9cc \ub9e4\uc6b0 \uac00\uae4c\uc6b4 \uac12(\uc608: 3,999)\uc744 \uc0ac\uc6a9\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-845fc23ff2883308a9b535c84cd69d83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 4^-}\\frac{-2x+3}{x-4}=\\frac{-2\\cdot 3,999+3}{3,999-4}=\\frac{-4,998}{-0}=+\\infty\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"385\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c x\uac00 \uc67c\ucabd\uc5d0\uc11c 4\uc5d0 \uc811\uadfc\ud560 \ub54c \uce21\uba74 \uadf9\ud55c\uc740 \ud50c\ub7ec\uc2a4 \ubb34\ud55c\ub300\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 x\uac00 \uc624\ub978\ucabd\uc5d0\uc11c 4\ub85c \ud5a5\ud560 \ub54c \uadf9\ud55c\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 4\ubcf4\ub2e4 \ud06c\uc9c0\ub9cc \uc774\uc5d0 \ub9e4\uc6b0 \uac00\uae4c\uc6b4 \uac12(\uc608: 4,001)\uc5d0\uc11c \ud568\uc218\ub97c \ud3c9\uac00\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-ef680d721aae4b9b993bbc65542d5d2b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 4^+}\\frac{-2x+3}{x-4}=\\frac{-2\\cdot 4,001+3}{4,001-4}=\\frac{-5,002}{+0}=-\\infty\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"385\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c x\uac00 \uc624\ub978\ucabd\uc5d0\uc11c 4\uc5d0 \uc811\uadfc\ud560 \ub54c \uce21\uba74 \uadf9\ud55c\uc740 \uc74c\uc758 \ubb34\ud55c\ub300\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> x=2 \uc9c0\uc810\uc5d0 \uc815\uc758\ub41c \ub2e4\uc74c \uc870\uac01\ubcc4 \ud568\uc218\uc758 \uadf9\ud55c\uc774 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0 \uc774\ub97c \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-40d5632016e70b9d9ab8e46e76e0102b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(x)= \\left\\{ \\begin{array}{lcl} x^2-3 &amp; \\text{si} &amp;  x \\leq 2 \\\\[2ex]\\displaystyle \\frac{-3x+5}{x-3} &amp; \\text{si} &amp; x>2 \\end{array} \\right.&#8221; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;75&#8243; width=&#8221;235&#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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774 \uacbd\uc6b0 \ubb38\uc81c \uc124\uba85\uc5d0\uc11c\ub294 \uc870\uac01\ubcc4 \ud568\uc218\uac00 \ud45c\ud604\uc2dd\uc744 \ubcc0\uacbd\ud558\ub294 \uadf9\ud55c\uc744 \ucc3e\ub3c4\ub85d \uc694\uad6c\ud558\ubbc0\ub85c \uccab \ubc88\uc9f8 \ud45c\ud604\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc67c\ucabd \uadf9\ud55c\uc744 \ucc3e\uace0 \ub450 \ubc88\uc9f8 \ud45c\ud604\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc624\ub978\ucabd \uadf9\ud55c\uc744 \ucc3e\uc544\uc57c \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-312aa6dc645115b9d1a680ef3cc5fb9b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^-}f(x)=\\lim_{x\\to 2^-}(x^2-3)=2^2-3=1\" title=\"Rendered by QuickLaTeX.com\" height=\"30\" width=\"303\" 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-cad9d8ff045408344a1435ec6441aa73_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^+}f(x)=\\lim_{x\\to 2^+}\\frac{-3x+5}{x-3}=\\frac{-3\\cdot 2+5}{2-3}=\\frac{-1}{-1}=1\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"392\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc67c\ucabd\uc758 x=2\uc5d0\uc11c\uc758 \ud568\uc218\uc758 \uadf9\ud55c\uc740 \uc624\ub978\ucabd\uc758 \ud568\uc218\uc758 \uadf9\ud55c\uacfc \uc77c\uce58\ud558\ubbc0\ub85c \ud568\uc218\uc758 \uadf9\ud55c\uc740 \uc874\uc7ac\ud558\uba70 1\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-fe286d19fdb8b3f5859e8073869660ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\lim_{x\\to 2^-}f(x)=\\lim_{x\\to 2^+}f(x)=1 \\ \\longrightarrow \\ \\lim_{x\\to 2}f(x)=1\" title=\"Rendered by QuickLaTeX.com\" height=\"28\" width=\"356\" style=\"vertical-align: -14px;\"><\/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 \ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4(\uc608\uc81c \ud3ec\ud568). \ub610\ud55c \uadf8\ub798\ud504\uc640 \uc218\uce58\ub97c \ud1b5\ud574 \ud568\uc218\uc758 \uc67c\ucabd \ubc0f \uc624\ub978\ucabd \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\ub824\ub4dc\ub9bd\ub2c8\ub2e4. \ub610\ud55c, \uce21\uba74 \ud55c\uacc4\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\uac00\ub294 \uc6b4\ub3d9\uc73c\ub85c \ud2b8\ub808\uc774\ub2dd\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce21\uba74 \ud55c\uacc4\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ud55c \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \ud55c\uacc4\ub294 \ud574\ub2f9 \uc9c0\uc810 \uc8fc\ubcc0\uc758 \ud568\uc218 \ub3d9\uc791\uc744 \uc5f0\uad6c\ud569\ub2c8\ub2e4. \uc67c\ucabd \uce21\uba74 \uadf9\ud55c\uacfc \uc624\ub978\ucabd \uce21\uba74 \uadf9\ud55c\uc774 \uc788\ub294\ub370, \uc774\ub294 \uace0\ub824\ub418\ub294 \uc9c0\uc810\uc758 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ec%b8%a1%eb%a9%b4-%ed%95%9c%ea%b3%84\/\"> <span class=\"screen-reader-text\">\uce21\uba74 \ud55c\uacc4<\/span> \ub354 \ubcf4\uae30 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[12],"tags":[],"class_list":["post-377","post","type-post","status-publish","format-standard","hentry","category-12"],"yoast_head":"<!-- This site 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\ud568\uc218\uc758 \uce21\uba74 \uadf9\ud55c\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4(\uc608\uc81c \ud3ec\ud568). \ub610\ud55c \uadf8\ub798\ud504\uc640 \uc218\uce58\ub97c \ud1b5\ud574 \ud568\uc218\uc758 \uc67c\ucabd \ubc0f \uc624\ub978\ucabd \uce21\uba74 \ud55c\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\ub824\ub4dc\ub9bd\ub2c8\ub2e4. \ub610\ud55c, \uce21\uba74 \ud55c\uacc4\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\uac00\ub294 \uc6b4\ub3d9\uc73c\ub85c \ud2b8\ub808\uc774\ub2dd\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce21\uba74 \ud55c\uacc4\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ud55c \uc9c0\uc810\uc5d0\uc11c \ud568\uc218\uc758 \uce21\uba74 \ud55c\uacc4\ub294 \ud574\ub2f9 \uc9c0\uc810 \uc8fc\ubcc0\uc758 \ud568\uc218 \ub3d9\uc791\uc744 \uc5f0\uad6c\ud569\ub2c8\ub2e4. \uc67c\ucabd \uce21\uba74 \uadf9\ud55c\uacfc \uc624\ub978\ucabd \uce21\uba74 \uadf9\ud55c\uc774 \uc788\ub294\ub370, \uc774\ub294 \uace0\ub824\ub418\ub294 \uc9c0\uc810\uc758 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