Let be defined by

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

Problem

Let

f:\mathbb{R}\to\mathbb{R}

be defined by

f(x)=e^{x^2}+\cos x

. Then

f

is (a) one-one and onto (b) one-one and into (c) many-one and onto (d) many-one and into