$\text { For } f ( x , y ) = e ^ { y } \sin 3 x \text {, evaluate } f _ { x } \text { at the point } ( \pi , 0 ) \text {. }$

Multiple Choice

$\text { For } f ( x , y ) = e ^ { y } \sin 3 x \text {, evaluate } f _ { x } \text { at the point } ( \pi , 0 ) \text {. }$

A) $f _ { x } ( \pi , 0 ) = 3$
B) $f _ { x } ( \pi , 0 ) = - 3$
C) $f _ { x } ( \pi , 0 ) = - 11$
D) $f _ { x } ( \pi , 0 ) = - 6$
E) $f _ { x } ( \pi , 0 ) = 6$