Let $y = 3 \sin x - 2 \cos x$ Then $y\prime\prime$

Multiple Choice

Let $y = 3 \sin x - 2 \cos x$ Then $y\prime\prime$ is

A) $- 3 \sin x - 2 \cos x$
B) $- 3 \sin x + 2 \cos x$
C) $3 \sin x - 2 \cos x$
D) $3 \sin x + 2 \cos x$
E) $2 \sin x - 3 \cos x$