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

81

Step-by-step explanation:

(g∘f) (-4) is another way of writing g (f (-4)).

First, find f (-4):

f (-4) = - 2 (-4) - 5

f (-4) = 3

Now plug into g (x):

g (f (-4)) = g (3)

g (f (-4)) = 3^4

g (f (-4)) = 81