The utility function 
is a measure of utility (or satisfaction) derived by a person from the consumption of two products x and y. Suppose the utility function is 
. Determine the marginal utility of product x.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Find the square root.
A. -7 B. 7 C. -24 D. Not a real number
Mathematics
Find the variation equation for the variation statement.t varies directly as r and inversely as s; t = 5 when r = 60 and s = 60
A. t = 5rs
B. t = 
C. t = 
D. t = 
Mathematics
DeMoivre's Theorem can be used to find reciprocals of complex numbers. Recall from algebra that the reciprocal of x is 
, which can be expressed as 
.
?
Use this fact, along with DeMoivre's Theorem, to find the reciprocal of the number below.
?
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find an equation of the line containing the pair of points.(-9, 0) and (8, 5)
A. y = - 
x + 
B. y = 
x + 
C. y = - 
x + 
D. y = 
x + 
Mathematics