Answer:
C
Step-by-step explanation:
(My answer is in the picture. Hope it helps ^-^)
X=4x+7
X=4y+7
X-7=4y
X-7/4=y
F-1(x)=x-7/4
80 inches cubed
V=bh
b= 5 x4 h=4
5 x 4 x 4 = 80
B