{"id":42121,"date":"2021-12-06T17:27:00","date_gmt":"2021-12-06T20:27:00","guid":{"rendered":"https:\/\/www.ufrgs.br\/amlef\/?post_type=tnc_col_21662_item&#038;p=42121"},"modified":"2021-12-07T12:11:53","modified_gmt":"2021-12-07T15:11:53","slug":"funcao-matematica","status":"publish","type":"tnc_col_21662_item","link":"https:\/\/www.ufrgs.br\/amlef\/glossario\/funcao-matematica\/","title":{"rendered":"Fun\u00e7\u00e3o matem\u00e1tica"},"content":{"rendered":"<p>Fun\u00e7\u00e3o mate\u00adm\u00e1\u00adtica \u00e9 uma rela\u00e7\u00e3o esta\u00adbe\u00adle\u00adcida entre duas vari\u00e1\u00adveis. As fun\u00e7\u00f5es podem ser inje\u00adto\u00adras, sobre\u00adje\u00adto\u00adras, bije\u00adto\u00adras e simples. Ou seja, a fun\u00e7\u00e3o \u00e9  uma regra que rela\u00adci\u00adona cada ele\u00admento de um con\u00adjunto, repre\u00adsen\u00adtado pela vari\u00e1\u00advel x, por exemplo, a um  ele\u00admento de outro con\u00adjunto, por exemplo, repre\u00adsen\u00adtado pela vari\u00e1\u00advel y. H\u00e1 dois con\u00adjun\u00adtos num\u00e9\u00adri\u00adcos, um dom\u00ednio e um con\u00adtra\u00addo\u00adm\u00ed\u00adnio, dentro do con\u00adtra\u00addo\u00adm\u00ed\u00adnio h\u00e1 um sub\u00adcon\u00adjunto chamado de imagem.<br>\nUma fun\u00e7\u00e3o \u00e9 sobre\u00adje\u00adtora se todos os ele\u00admen\u00adtos do con\u00adtra\u00addo\u00adm\u00ed\u00adnio per\u00adten\u00adcem ao con\u00adjunto da imagem. \u00c9 inje\u00adtora se cada ele\u00admento do dom\u00ednio possuir uma \u00fanica e dis\u00adtinta imagem, isto \u00e9, um ele\u00admento do con\u00adjunto da imagem pode cor\u00adres\u00adpon\u00adder a dois ele\u00admen\u00adtos do dom\u00ednio. Fun\u00e7\u00e3o bije\u00adtora \u00e9 aquela que \u00e9 sobre\u00adje\u00adtora e inje\u00adtora simul\u00adta\u00adne\u00ada\u00admente, ou seja, se todos os ele\u00admen\u00adtos do con\u00adtra\u00addo\u00adm\u00ed\u00adnio per\u00adten\u00adcem ao con\u00adjunto da imagem e um ele\u00admento do con\u00adtra\u00addo\u00adm\u00ed\u00adnio cor\u00adres\u00adponde a um \u00fanico ele\u00admento do dom\u00ednio. J\u00e1 a fun\u00e7\u00e3o simples  n\u00e3o \u00e9 inje\u00adtora nem sobrejetora.<\/p>\n","protected":false},"featured_media":42614,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","class_list":["post-42121","tnc_col_21662_item","type-tnc_col_21662_item","status-publish","format-standard","has-post-thumbnail","hentry","tnc_tax_22435-conceito","tnc_tax_16178-cristiane-pinheiro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fun\u00e7\u00e3o matem\u00e1tica - Museu dos Laborat\u00f3rios de Ensino de F\u00edsica - Em Transi\u00e7\u00e3o<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ufrgs.br\/amlef\/glossario\/funcao-matematica\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fun\u00e7\u00e3o matem\u00e1tica - Museu dos Laborat\u00f3rios de Ensino de F\u00edsica - Em Transi\u00e7\u00e3o\" \/>\n<meta property=\"og:description\" content=\"Fun\u00e7\u00e3o mate\u00adm\u00e1\u00adtica \u00e9 uma rela\u00e7\u00e3o esta\u00adbe\u00adle\u00adcida entre duas vari\u00e1\u00adveis. 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