Question

Evaluate given function. Pleas helpp

Answer 1

`f(9) =-80`

Explanation:

Given

The attached functions

Required

Find f(9)

We have:

`f(x) =-x^2 - 2x + 19`

So:

`f(9) =-9^2 - 2*9 + 19`

`f(9) =-81 - 18 + 19`

`f(9) =-80`