Evaluate the expression.-5-4
A. 
B. - 
C. 625
D. -625
Answer: B
Mathematics
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Assuming that the equation defines a differential function of x, find Dxy by implicit differentiation.2xy - y2 = 1
A. 
B. 
C. 
D. 
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z
A. 
= - 
; 
= - 
; 
= ln (xy)
B. 
= z ln 
; 
= zln
; 
= ln (xy)
C. 
= 
; 
= 
; 
= ln (xy)
D. 
= 
; 
= 
; 
= z ln (xy)z-1
Mathematics
Divide.
Round to the nearest tenth.
A. 63.0 B. 6288.1 C. 62.88 D. 62.9
Mathematics
Find the total amount due on the loan. Round to the nearest cent.Principal = $5000Rate = 5
%Time in months = 8
A. $5183.33 B. $5166.67 C. $5200.00 D. $2200.00
Mathematics