Question

Brainlist! :c y no one helping

Answer 1

Answer:

C and D are same options

(D)$f(x) = x^2$

Step-by-step explanation:

$f(x) = {x}^{2} \\ plug \: x = - x \\ f( - x) = {( - x)}^{2} = {x}^{2} \\ f( - x) = f(x)$