Question

Help will MARK BRAINLIST

Answer 1

Answer:

-21

Step-by-step explanation:

We know that  $f(x)=-x^2-12$  and we also know that $f(x)=f(-3)$. Therefore, you will have to substitute x with -3.

Calculations:

$f(x)=-x^2-12$  

$f(-3)=-(-3)^2-12$

$-9-12=-21$

Answer 2

Answer:

-21

Step-by-step explanation:

put in -3 where x is

-3^2  9

-9-12 = -21