Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Which of the following functions from Z to Z are bijections ? (where Z is the set of integers)

Options:

$f(x)=x^3$

$f(x)=x+2$

$f(x)=x+1$

$f(x)=x^2+1$

Correct Answer:

$f(x)=x+2$