Question

Let f(x) = 4x – 1, h(x) = -x-1.

Find (f o h)(6)

(foh)(6) =

Answer 1

(foh)(6) = -29

Explanation:

(f o h)(6) is f(h(x)) when x = 6.

We have that:

f(x) = 4x - 1

h(x) = -x-1

f(h(x)) = 4(-x-1) - 1 = -4x - 4 - 1 = -4x - 5

(foh)(6) = -4(6) - 5 = -29

(foh)(6) = -29