Answer:
3 in3
Step-by-step explanation:
1/2 x 1/2 x 1/2=1/8
1/8 x 24= 3
(g-f)(3) = 20
g(3)=6 * (3) = 18
f(3)= 4-2(3) = 4 - 6 = -2
So
(g-f)(3) = 18 - (-2) = 20