MCQ
$f: N \rightarrow N$, is defined by $f(x)=x^6$ then, ___________ .
  • A
    $f$ is one-one and onto
  • B
    $f$ is many-one and onto
  • $f$ is one-one but onto
  • D
    $f$ is not one-one and onto

Answer

Correct option: C.
$f$ is one-one but onto
C

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free