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Find the Partial Derivative fy for the function f(x,y)=x22y2+7f _ { y } \text { for the function } f ( x , y ) = x ^ { 2 } - 2 y ^ { 2 } + 7

Question 88

Multiple Choice

Find the partial derivative fy for the function f(x,y) =x22y2+7f _ { y } \text { for the function } f ( x , y ) = x ^ { 2 } - 2 y ^ { 2 } + 7


A) fy(x,y) =8yf _ { y } ( x , y ) = - 8 y
B) fy(x,y) =5yf _ { y } ( x , y ) = - 5 y
C) fy(x,y) =9yf _ { y } ( x , y ) = 9 y
D) fy(x,y) =4yf _ { y } ( x , y ) = - 4 y
E) fy(x,y) =10yf _ { y } ( x , y ) = 10 y

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