Find the Area of the Shaded Region $\left(13 x^{2}-9\right)$

Multiple Choice

Find the area of the shaded region.
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A) $\left(13 x^{2}-9\right)$ sq in.
B) $\left(19 x^{2}-9\right) s q$ in.
C) $\left(16 x^{2}-3 x-9\right)$ sq in.
D) $\left(13 x^{2}+9\right) \mathrm{sq}$ in.