For the given demand function, find the value(s) of x for which total revenue is a maximum.x = D(x) = 
A. 5
B. 6
C. 500
D. 12
Answer: B
Mathematics
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Convert between English and Metric System of Units.
38 in. = 
cm (Round to the nearest hundredth.)
A. 14.96 B. 125.40 C. 3.17 D. 96.52
Mathematics
Perform the operations indicated. Write your answer in simplest form.-7 + 8
A. -15 B. 15 C. -1 D. 1
Mathematics
Solve and graph.-7x + 1 ? 15 or 5x + 3 ? -17
A. (-?, ?)
B. [-4, ?)
C. [-2, ?)
D. [-4, -2]
Mathematics
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.5x - 2y + 7 = 0
A. m = 
; y-intercept = - 
B. m = 
; y-intercept = 
C. m = - 
; y-intercept = - 
D. m = - 
; y-intercept = 
Mathematics