For two real functions f and g

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

For two real functions f and g, the composite g∘fg\circ f is defined by (a) f(g(x))f\bigl(g(x)\bigr) (b) g(x)+f(x)g(x)+f(x) (c) g(f(x))g\bigl(f(x)\bigr) (d) g(x) f(x)g(x)\,f(x)

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