Question

G(x) = -x2 + 2x - 9



g(-4)

Answer 1

-33

Explanation:

g(x) =
`- x^(2) + 2x - 9\\`

g(-4) =
`- ( -4)^(2) + 2 * (-4) - 9`

= - 16 - 8 - 9 = - 33

Answer 2

Substitute the -4 to the x’s.

g(-4) = -(-4)^2 + 2(-4) - 9

g(-4) = -16 - 8 - 9

g(-4) = -33