Question

Find f(-3) if f(x) = x^2.

Answer 1

f(x)=x^2
f(-3)=(-3)^2
f(-3)=(-3)(-3)
f(-3)=9

Answer 2

9

Explanation:

f(-3)=-3×-3

= (-)(-)9

=+9

- into - covert into positive when you have square on x

hopefully, it works for you