Solve the Problem $$\int _ { 0 } ^ { 9 } \int _ { 0 } ^ { y } f ( x , y ) d x d y + \int _ { 0 } ^ { 9 } \int _ { y } ^ { 9 } f ( x , y ) d x d y$$

question 218

Multiple Choice

Solve the problem.
-Write
$$\int _ { 0 } ^ { 9 } \int _ { 0 } ^ { y } f ( x , y ) d x d y + \int _ { 0 } ^ { 9 } \int _ { y } ^ { 9 } f ( x , y ) d x d y$$
as a single iterated integral.

• A) \(\int _ { 0 } ^ { 9 } \int _ { 0 } ^ { 9 } f ( x , y ) d x d y\)
• B) \(\int _ { 0 } ^ { 9 } \int _ { - y / 9 } ^ { y / 9 } f ( x , y ) d x d y\)
• C) \(\int _ { 0 } ^ { 9 } \int _ { - y } ^ { y } f ( x , y ) d x d y\)
• D) \(\int _ { - 9 } ^ { 9 } \int _ { - 9 } ^ { 9 } f ( x , y ) d x d y\)

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