Answer:
81
Step-by-step explanation:
note that (g ○ f)(x) = g(f(x)) = g(- 2x - 5) = [tex](-2x-5)^{4}[/tex]
g(f(- 4)) = [tex](8-5)^{4}[/tex] = [tex]3^{4}[/tex] = 81