Set up the integral you would use to find the volume of the solid of revolution formed when the area between y = x², y = px is rotated about the x-axis.
A) ∫[0, p] πx² dx
B) ∫[0, p] π(p² - x⁴) dx
C) ∫[0, p] π(x² - p²) dx
D) ∫[0, p] π(px - x³) dx