Question

Which expression represents the composition g(f(x)) for the functions below?

f(x) = –3x2
g(x) = 3x

–9x3

9x2

–9x2

–27x2

​

Answer 1

Answer:

- 9x²

Step-by-step explanation:

To evaluate g(f(x)) substitute x = f(x) into g(x)

g(f(x)) = g(- 3x²) = 3(- 3x²) = - 9x²

Answer 2

Answer:

C. $-9x^{2}$

Step-by-step explanation:

Edge 2020