If and are two functions

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

If ff and gg are two functions, the composite function (g∘f)(x)(g\circ f)(x) is defined as (a) f(g(x))f(g(x)) (b) g(f(x))g(f(x)) (c) f(x) g(x)f(x)\,g(x) (d) g(x)+f(x)g(x)+f(x)

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