For each function

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

Problem

For each function f:R→Rf: \mathbb R \to \mathbb R, identify the one that is injective but not surjective. (a) f(x)=x3f(x)=x^{3} (b) f(x)=∣x∣f(x)=|x| (c) f(x)=exf(x)=e^{x} (d) f(x)=x5−1f(x)=x^{5}-1

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