If and is the identity function

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

Problem

If f(x)=2xf(x)=2x and gg is the identity function, then (a) (f∘g)(x)=g(x)(f\circ g)(x)=g(x) (b) (g∘g)(x)=g(x)(g\circ g)(x)=g(x) (c) (f∘g)(x)=(g∘g)(x)(f\circ g)(x)=(g\circ g)(x) (d) None of these

Related theory

Browse the problem library