Question

F(x) = x2 – 7x- 9
g(x) = -5x – 11
Find: (g•f)(x)

Answer 1

`(gof)(x) = -5 {x}^(2) + 35x + 34`

Explanation:

`(gof)(x) = g(f(x)) \\ = - 5( {x}^(2) - 7x - 9) - 11 \\ = - 5 {x}^(2) + 35x + 45 - 11 \\ = - 5 {x}^(2) + 35x + 34`

I hope I helped you^_^