Question

F(x) = -x² – 9x - 7 Find f(3)​

Answer 1

f(3) = -43

Explanation:

alright so all you have to do is substitute x with 3 so it gonna look like

-(3)^2-9(3)-7= f(x)

now you just have to solve

-9-27-7=f(x)

f(x)= -43