Question

Evaluate f(x) = -x^2 + 1 for x = –3.

Answer 1

you want to plug in (-3) in place of x. so it will look like the following:
(-(-3))^2 + 1 = 9+1 = 10. (Remember that a --3 = a +3

Answer 2

A.

–9

B.

–4

C.

–8

D.

4

Answer 3

sorry about that,I got ahead of myself:
the anwer is -8. I got it by: -(-3)^2 (you are only squaring the negative 3 first, and then that gives you a 9, but you have a negative in front of that, and that gives you a -9 +1 = -8

Answer 4

sorry for leading you incorrectly at first.

Answer 5

its ok thanks for helping

Answer 6

-x^2 + 1 for x = –3
-> -(-3)^2 +1 = - 9 + 1 = -8