Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

The function f : R → R given by $f(x) ={ x }^{ 3 } +1$  is

Options:

 a one-one function

an onto function

a bijection

neither one-one nor onto

Correct Answer:

a bijection

Explanation:

$f(x) ={ x }^{ 3 } +1$

form graph $f(x)$ is clearly one-one and onto.

hence its a bijective