Consider given by

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

Problem

Consider

g:\mathbb R\rightarrow(0,\infty)

given by

g(x)=x^{2}+4

. Which of the following best describes

g

? (a)

g

is injective but not surjective. (b)

g

is surjective but not injective. (c)

g

is neither injective nor surjective. (d)

g

is bijective.