Find all the first order partial derivatives for the following function.f(x, y) = 
A. 
= - 
; 
= - 
B. 
= 
; 
= 
C. 
= - 
; 
= - 
D. 
= - 
; 
= - 
Answer: A
Mathematics
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and the lines 
and 
A. 
B. 
C. 
D. 
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Add. Do not use a number line except as a check.- 
+ 
A. - 
B. - 
C. 
D. 
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A. y is a function of x B. y is not a function of x
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