Question

Let f(x) =
= 6x2 + 5 and g(x) = 3x - 5. Find f(g(7)).

Answer 1

1541

Explanation:

1. Find g(7).

Plug in 7 for x in the function g(x).

3(7)-5

= 21 -5 = 16

2. Plug 16 into x for f(x).

6(16)^2 +5

= (256 x 6)+5 = 1541