{"id":14865,"date":"2018-04-25T09:54:07","date_gmt":"2018-04-25T08:54:07","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=14865"},"modified":"2022-01-10T01:07:26","modified_gmt":"2022-01-10T01:07:26","slug":"qual-das-representacoes-graficas-corresponde-a-funcao","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=14865","title":{"rendered":"Qual das representa\u00e7\u00f5es gr\u00e1ficas corresponde \u00e0 fun\u00e7\u00e3o?"},"content":{"rendered":"<p><ul id='GTTabs_ul_14865' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_14865' class='GTTabs_curr'><a  id=\"14865_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_14865' ><a  id=\"14865_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_14865'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Uma fun\u00e7\u00e3o <em>f<\/em> \u00e9 definida pela express\u00e3o alg\u00e9brica\u00a0\\(f\\left( x \\right) = 2{x^2}\\), com\u00a0\\(x &gt; 0\\).<\/p>\n<ol>\n<li>Sem representares graficamente esta fun\u00e7\u00e3o, indica se os pontos\u00a0\\(A\\left( {0,\\; &#8211; 4} \\right)\\) e\u00a0\\(B\\left( {1,\\;2} \\right)\\) pertencem ao gr\u00e1fico de <em>f<\/em>.<\/li>\n<li>Qual das seguintes representa\u00e7\u00f5es gr\u00e1ficas pode corresponder a essa fun\u00e7\u00e3o?<br \/>\nIndica uma raz\u00e3o que te leva a rejeitar cada um dos outros gr\u00e1ficos.<\/li>\n<\/ol>\n<p><a href=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"14867\" data-permalink=\"https:\/\/www.acasinhadamatematica.pt\/?attachment_id=14867\" data-orig-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5.png\" data-orig-size=\"1302,545\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Gr\u00e1ficos\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-1024x429.png\" class=\"aligncenter wp-image-14867\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-300x126.png\" alt=\"\" width=\"760\" height=\"318\" srcset=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-300x126.png 300w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-768x321.png 768w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-1024x429.png 1024w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5.png 1302w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><\/a><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_14865' onClick='GTTabs_show(1,14865)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_14865'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<ol>\n<li>Como\u00a0\\(f\\left( 0 \\right) = 2 \\times {0^2} = 0 \\ne &#8211; 4\\), ent\u00e3o o ponto <em>A<\/em> n\u00e3o pertence ao gr\u00e1fico de <em>f<\/em>.<br \/>\nComo\u00a0\\(f\\left( 1 \\right) = 2 \\times {1^2} = 2\\), ent\u00e3o o ponto <em>B<\/em> pertence ao gr\u00e1fico de <em>f<\/em>.<br \/>\n\u00ad<\/li>\n<li>Por exemplo, o ponto\u00a0\\(C\\left( {2,\\;8} \\right)\\) pertence ao gr\u00e1fico de <em>f<\/em>, pois\u00a0\\(f\\left( 2 \\right) = 2 \\times {2^2} = 8\\).<br \/>\nPor isso, podem eliminar-se os Gr\u00e1ficos I e II, pois o ponto <em>C<\/em> n\u00e3o pertence a qualquer um desses gr\u00e1ficos.<\/li>\n<\/ol>\n<p><a href=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"14867\" data-permalink=\"https:\/\/www.acasinhadamatematica.pt\/?attachment_id=14867\" data-orig-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5.png\" data-orig-size=\"1302,545\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Gr\u00e1ficos\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-1024x429.png\" class=\"aligncenter wp-image-14867\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-300x126.png\" alt=\"\" width=\"760\" height=\"318\" srcset=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-300x126.png 300w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-768x321.png 768w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5-1024x429.png 1024w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5.png 1302w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><\/a><\/p>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_14865' onClick='GTTabs_show(0,14865)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado Uma fun\u00e7\u00e3o f \u00e9 definida pela express\u00e3o alg\u00e9brica\u00a0\\(f\\left( x \\right) = 2{x^2}\\), com\u00a0\\(x &gt; 0\\). Sem representares graficamente esta fun\u00e7\u00e3o, indica se os pontos\u00a0\\(A\\left( {0,\\; &#8211; 4} \\right)\\) e\u00a0\\(B\\left( {1,\\;2} \\right)\\)&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":14868,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[213,97,249],"tags":[426,345,503,499],"series":[],"class_list":["post-14865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-9--ano","category-aplicando","category-proporcionalidade-inversa-e-funcoes-algebricas","tag-9-o-ano","tag-funcao-afim","tag-funcao-de-proporcionalidade-inversa","tag-funcao-quadratica"],"views":3938,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/04\/9V2Pag125-5a.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/14865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14865"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/14865\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/14868"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14865"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=14865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}