Determine Whether the Function Is Periodic $$f ( x ) = x ^ { 2 } \cos 2 x$$

Multiple Choice

Determine whether the function is periodic. If it is periodic, find the period.
- $$f ( x ) = x ^ { 2 } \cos 2 x$$

A) $\frac { \pi } { 2 }$
B) Not periodic
C) $2 \pi$
D) $\pi$