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Calculate ∂f∂x\frac { \partial f } { \partial x } And ∂f∂y\frac { \partial f } { \partial y }

Question 30

Multiple Choice

Calculate ∂f∂x\frac { \partial f } { \partial x } and ∂f∂y\frac { \partial f } { \partial y } when defined.
f(x,y) =8x2yf ( x , y ) = 8 x ^ { 2 } y


A) ∂f∂x=8x2\frac { \partial f } { \partial x } = 8 x ^ { 2 } , ∂f∂x=16xy\frac { \partial f } { \partial x } = 16 x y
B) ∂f∂x=16x\frac { \partial f } { \partial x } = 16 x , ∂f∂y=8xy\frac { \partial f } { \partial y } = 8 x y
C) ∂f∂x=16xy\frac { \partial f } { \partial x } = 16 x y , ∂f∂y=8x2\frac { \partial f } { \partial y } = 8 x ^ { 2 }
D) ∂f∂x=16xy\frac { \partial f } { \partial x } = 16 x y , ∂f∂y=8x2y\frac { \partial f } { \partial y } = 8 x ^ { 2 } y
E) ∂f∂x=−8y2\frac { \partial f } { \partial x } = - 8 y ^ { 2 } , ∂f∂y=−16x\frac { \partial f } { \partial y } = - 16 x

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