Solve the problem.The price p and the quantity x sold of a certain product obey the demand equation p = - 
x + 120, 0 ? x ? 480.What price should the company charge to maximize revenue?
A. $90
B. $72
C. $30
D. $60
Answer: D
Mathematics
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If ?t is increased by 1, then 
is increased by what percentage?
?
A. 91% B. 0.09% C. 1.09% D. 9%
Mathematics
Solve the equation.x2/3 + 4x1/3 - 5 = 0
A. {-125, 1} B. {-1, 5} C. {-1, 125} D. {-5, 1}
Mathematics
Simplify completely. If the fraction is improper, write it as a mixed number.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Jim bicycled 564 miles in January and 545 miles in February. How many miles did he bicycle?
A. 1099 miles B. 1009 miles C. 1119 miles D. 1109 miles
Mathematics