Find $\iint _ { R } f ( x , y ) \mathrm { d } x \mathrm {~d} y$

Multiple Choice

Find $\iint _ { R } f ( x , y ) \mathrm { d } x \mathrm {~d} y$ , where $f ( x , y ) = 9 + y$ and R is the indicated domain. (Remember that you often have a choice as to the order of integration.)
$$f ( y ) = 9 - y ^ { 2 }$$

A) 243
B) 729
C) 324
D) 972
E) 81