Solve the Problem $x$ -Axis the Region Bounded by the Following Graph

Multiple Choice

Solve the problem.
-Find the volume generated by revolving about the $x$ -axis the region bounded by the following graph: $y = \sqrt { 49 - x ^ { 2 } } , x = 0 , \quad x = 7$

A) $14 \pi$
B) $\frac { 686 } { 3 } \pi$
C) $\frac { 1372 } { 3 } \pi$
D) $196 \pi$