Question

If f(x) = -2x-5 and g(x)=x^4, what is (gº f)(-4)

Answer 1

Answer:

81

Step-by-step explanation:

note that (g ○ f)(x) = g(f(x)) = g(- 2x - 5) = $(-2x-5)^{4}$

g(f(- 4)) = $(8-5)^{4}$ = $3^{4}$ = 81