Let be defined as

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

Problem

12. Let

f: \mathbf{R} \rightarrow \mathbf{R}

be defined as

f(x)=3 x

. Choose the correct answer. (A)

f

is one-one onto (B)

f

is many-one onto (C)

f

is one-one but not onto (D)

f

is neither one-one nor onto.