Question

Let f(x) = 2x-1, h(x) = -x+4.
Find (f o h)(-7).

Answer 1

21

Explanation:

plug -7 into h(x)

h(-7) = -(-7) + 4 = 7 + 4 = 11

plug 11 into f(x)

f(11) = 2(11) - 1 = 22 - 1 = 21