{"id":3277,"date":"2016-06-13T22:04:08","date_gmt":"2016-06-13T22:04:08","guid":{"rendered":"http:\/\/acoeurparcoeur.com\/?p=3277"},"modified":"2016-06-13T22:04:08","modified_gmt":"2016-06-13T22:04:08","slug":"la-fonction-affine-et-labonnement-telephonique","status":"publish","type":"post","link":"https:\/\/acoeurparcoeur.com\/?p=3277","title":{"rendered":"La fonction affine et l&rsquo;abonnement t\u00e9l\u00e9phonique ?"},"content":{"rendered":"<p>Une fonction affine est une <strong>fonction num\u00e9rique <\/strong>s\u2019exprimant par l\u2019\u00e9galit\u00e9: <strong>f(x) = ax + b<\/strong>, <strong>a<\/strong> \u00e9tant le coefficient directeur et <strong>b<\/strong> l&rsquo;ordonn\u00e9e \u00e0 l&rsquo;origine.<\/p>\n<p>La repr\u00e9sentation graphique de toute fonction affine est <strong>une droite passant par l\u2019ordonn\u00e9e \u00e0 l&rsquo;origine<\/strong> (pour toute fonction affine: f(0)= a * 0 + b = b). Lorsque l&rsquo;ordonn\u00e9e \u00e0 l&rsquo;origine est nulle, on obtient une fonction lin\u00e9aire.<\/p>\n<p><em>Un abonnement t\u00e9l\u00e9phonique comprend en g\u00e9n\u00e9ral un prix forfaitaire mensuel de base (b) et un prix de communication \u00e0 la minute (a). La facture t\u00e9l\u00e9phonique est alors une fonction affine du nombre x de minutes de communication dans le mois: f(x)= ax + b.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;expression d&rsquo;une fonction affine ? Sa repr\u00e9sentation graphique ?<\/p>\n","protected":false},"author":1,"featured_media":3278,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[347,135],"tags":[1835],"class_list":["post-3277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-brevet","category-mathematiques","tag-fonction-affine","has-thumbnail"],"_links":{"self":[{"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=\/wp\/v2\/posts\/3277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3277"}],"version-history":[{"count":0,"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=\/wp\/v2\/posts\/3277\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=\/wp\/v2\/media\/3278"}],"wp:attachment":[{"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/acoeurparcoeur.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}