Determine Whether the Function Is Periodic $$f ( x ) = 7 \sin ^ { 3 } x$$

Multiple Choice

Determine whether the function is periodic. If it is periodic, find the period.
- $$f ( x ) = 7 \sin ^ { 3 } x$$

A) Not periodic
B) $\pi$
C) $2 \pi$
D) $4 \pi$