{"id":1971,"date":"2026-08-27T18:21:06","date_gmt":"2026-08-27T11:21:06","guid":{"rendered":"https:\/\/tientrinh.com\/trillion\/?p=1971"},"modified":"2026-08-28T20:15:29","modified_gmt":"2026-08-28T13:15:29","slug":"huong-dan-1004","status":"publish","type":"post","link":"https:\/\/tientrinh.com\/trillion\/1971\/huong-dan-1004\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn 1004 &#8211; C\u00e1ch t\u01b0 duy s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c h\u00e0m s\u1ed1 y=f(x)"},"content":{"rendered":"\n<p class=\"has-custom-color-2-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:clamp(1.743rem, 1.743rem + ((1vw - 0.2rem) * 1.972), 3rem);\"><strong>y=f(x) h\u00e0m s\u1ed1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong to\u00e1n h\u1ecdc, bi\u1ec3u th\u1ee9c <strong>y = f(x)<\/strong> \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>C\u00f4ng th\u1ee9c h\u00e0m s\u1ed1<\/strong> (ho\u1eb7c <strong>Ph\u01b0\u01a1ng tr\u00ecnh h\u00e0m s\u1ed1<\/strong>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dd ngh\u0129a v\u00e0 t\u00ean g\u1ecdi c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng th\u00e0nh ph\u1ea7n trong bi\u1ec3u th\u1ee9c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>f(x) (H\u00e0m s\u1ed1 \/ Function):<\/strong> \u0110\u1ecdc l\u00e0 <em>&#8220;f c\u1ee7a x&#8221;<\/em>, bi\u1ec3u th\u1ecb quy t\u1eafc ho\u1eb7c \u00e1nh x\u1ea1 bi\u1ebfn \u0111\u1ed5i t\u1eeb gi\u00e1 tr\u1ecb x sang gi\u00e1 tr\u1ecb y.<\/li>\n\n\n\n<li><strong>x (Bi\u1ebfn s\u1ed1 \u0111\u1ed9c l\u1eadp \/ Independent variable):<\/strong> Gi\u00e1 tr\u1ecb \u0111\u1ea7u v\u00e0o (input), c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y \u00fd trong t\u1eadp x\u00e1c \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>y (Bi\u1ebfn s\u1ed1 ph\u1ee5 thu\u1ed9c \/ Dependent variable):<\/strong> Gi\u00e1 tr\u1ecb \u0111\u1ea7u ra (output), ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o gi\u00e1 tr\u1ecb c\u1ee7a x th\u00f4ng qua quy t\u1eafc f.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1eadp x\u00e1c \u0111\u1ecbnh (D):<\/strong> T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 tr\u1ecb x l\u00e0m cho bi\u1ec3u th\u1ee9c f(x) c\u00f3 ngh\u0129a.<\/li>\n\n\n\n<li><strong>T\u1eadp gi\u00e1 tr\u1ecb:<\/strong> T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 tr\u1ecb y thu \u0111\u01b0\u1ee3c t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c x thu\u1ed9c t\u1eadp x\u00e1c \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>\u0110\u1ed3 th\u1ecb h\u00e0m s\u1ed1:<\/strong> T\u1eadp h\u1ee3p c\u00e1c \u0111i\u1ec3m M(x; y) tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy th\u1ecfa m\u00e3n \u0111\u1eb3ng th\u1ee9c y = f(x).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>y=f(x) h\u00e0m s\u1ed1 Trong to\u00e1n h\u1ecdc, bi\u1ec3u th\u1ee9c y = f(x) \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 C\u00f4ng th\u1ee9c h\u00e0m s\u1ed1 (ho\u1eb7c Ph\u01b0\u01a1ng tr\u00ecnh h\u00e0m s\u1ed1). \u00dd ngh\u0129a v\u00e0 t\u00ean g\u1ecdi c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng th\u00e0nh ph\u1ea7n trong bi\u1ec3u th\u1ee9c: C\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-1971","post","type-post","status-publish","format-standard","hentry","category-huong-dan"],"_links":{"self":[{"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/posts\/1971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/comments?post=1971"}],"version-history":[{"count":1,"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/posts\/1971\/revisions"}],"predecessor-version":[{"id":2059,"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/posts\/1971\/revisions\/2059"}],"wp:attachment":[{"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/media?parent=1971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/categories?post=1971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tientrinh.com\/trillion\/wp-json\/wp\/v2\/tags?post=1971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}