Find all the first order partial derivatives for the following function.f(x, y) = (-3x2 - 9y2)3/2
A. fx(x, y) = -9
; fy(x, y) = -27y
B. fx(x, y) = -27x
; fy(x, y) = -9y
C. fx(x, y) = -9y
; fy(x, y) = -27x
D. fx(x, y) = -27y
; fy(x, y) = -9x
Answer: A
Mathematics
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