Solve the Problem $\mathrm { V } ( \mathrm { r } ) = \frac { 4 } { 3 } \pi \mathrm { r } ^ { 3 }$

Multiple Choice

Solve the problem.
-The volume of a sphere is a function of its radius, r, where $\mathrm { V } ( \mathrm { r } ) = \frac { 4 } { 3 } \pi \mathrm { r } ^ { 3 }$ . Find the volume of a sphere if its radius is 7 inches. Use 3.14 as an approximation to the value of π. Round to the nearest tenth if necessary.

A) $205.1 \mathrm { in. } ^ { 3 }$
B) $179.5 \mathrm { in. } ^ { 3 }$
C) $807.8 \text { in.} ^3$
D) $1436 \text { in.}^ 3$