# A função composta pode ser entendida pela determinação de uma terceira função C

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A função composta pode ser entendida pela determinação de uma terceira função C, formada pela junção das funções A e B. Matematicamente falando, temos que f: A → B e g: B → C, denomina a formação da função composta de g com f, h: A → C. Dizemos função g composta com a função f, representada por gof. Exemplo 1 Ao considerarmos as funções f(x) = 4x e g(x) = x² + 5, determinaremos: a) g o f (g o f)(x) = g(f(x)) g(x) = x² + 5 g(4x) = (4x)² + 5 g(4x) = 16x² + 5 (g o f)(x) = g(f(x)) = 16x² + 5 b) f o
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Aug 16, 2017

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Aug 16, 2017
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