Question

Perform the indicated operation.

g(t) = 2t + 2
h(t) = t^2 - 2
Find (g•h)(-3)
A.62
B.14
C.16
D.126

Answer 1

C

Explanation:

Substitute t = - 3 into h(t), then substitute value obtained into g(t)

h(- 3) = (- 3)² - 2 = 9 - 2 = 7, then

g(7) = (2 × 7) + 2 = 14 + 2 = 16 → C