Question

Let f(x) = -5x-1 and g(x)=x2 + 5.
= X
Find (f o g)(-2).

Answer 1

- 46

Explanation:

evaluate g(- 2) then substitute the result into f(x) , that is

g(- 2) = (- 2)² + 5 = 4 + 5 = 9 , then

f(9) = - 5(9) - 1 = - 45 - 1 = - 46