Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Let f : R → R be a function defined by $f(x) ={ x }^{ 5 } -2$, then f is

Options:

bijective

surjective

injective

none of these

Correct Answer:

bijective

Explanation:

$f(x) ={ x }^{ 5 } -2$

from the graph it is clear that function is one-one and onto

f is bijective