Q181 / 270 · NDA 2014 (Phase 2) · Mathematics

The function $f: \mathrm{N} \rightarrow \mathrm{N}, \mathrm{N}$ being the set of natural numbers, defined by $f(x)=2 x+3$ is

A
injective and surjective
Correct answer
B
injective but not surjective
C
not injective but surjective
D
neither injective nor surjective

Solution

The correct answer is option(B)

Hence, the correct answer is option: 'B'.

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