Question

If f(x)= 3x^2- 4 and g(x) = 2x-6, what is g(f(2))?
-16
0-2
O 8
10

Answer 1

10

Explanation:

g(f(x)) = g(3x² - 4) = 2(3x² - 4) - 6

so

g(f(2) = 2(3*2² - 4) - 6 = 2*8 - 6 = 16 - 6 = 10