The Answer is B.
Its a Cubic function and this does not graph a line.
The first option
y=5 (A straight line)
for Y=-8x
Using Y=Mx + c
M is the slope
So it has a slope of -8.
C is the correct .................
By finding the volume of the shape
D=2x+2
X=7
Plug in the value for Max's age.
D=2(7)+2
D=14+2
D=16
Max is 7
Dee is 16