If and , then…

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

Problem

g(x)=\cos x

and

h(x)=\log\left(x+\sqrt{x^2+1}\right)

, then

f(x)=g(h(x))

is (a) an even function (b) an odd function (c) neither an even nor odd function (d) none of these