Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Options:

a

b

c

d

Correct Answer:

a

Explanation:

$f:N→R$, $f(x)=x^2$

$x∈N=\{1,2,3,4.....\}

so $f(x)∈\{1,2^2,3^2,4^2,5^2\}$

$⇒f(x)∈\{1,4,9,16,25\}$