Let V Be the Volume of the Solid Generated by Revolving

Multiple Choice

Let V be the volume of the solid generated by revolving the region enclosed by $y = \sqrt { x },$ the x-axis, $x = 4;$ about the x-axis. Then V is

A) $8 \pi$
B) $7 \pi$
C) $6 \pi$
D) $5 \pi$
E) $4 \pi$