Find the Area of the Region Enclosed by the Curve $y = x \cos x$

Multiple Choice

Find the area of the region enclosed by the curve $y = x \cos x$ and the $x$ -axis for $\frac { 5 } { 2 } \pi \leq x \leq \frac { 7 } { 2 } \pi$ .

A) $5 \pi$
B) $7 \pi$
C) 5
D) $6 \pi$