Question

Calculus: Rotating volume

Answer 1

# 22

Answer 2

so?

Answer 3

x = y^3, x = 4y

y^3 = 4y
y^3 -4y = 0
y(y^2 -4) = 0
y(y-2)(y+2) = 0

they intersect at y= 0,2, -2
to graph:
y = cubert(x), y = x/4
intersect at x = 0, 8, -8