Solve the problem.The revenue generated by the sale of x bicycles is given by . Find the marginal revenue when  units.

A. $3.00
B. $17.00
C. $70.00
D. $10.00


Answer: A

Mathematics

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A. tan ? = 
B. tan ? = 
C. tan ? = 
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Multiply.(7i)(-10i)

A. -17 B. -70 C. 17 D. 70

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If y varies directly as x, find a linear function which relates them.y = 18 when x = 21

A. f(x) = x - 3
B. f(x) = x
C. f(x) = 3x
D. f(x) = x

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Solve the equation.2x2 - 3x - 5 = 0

A. x = , x = -1
B. x = , x = 0
C. x = , x = 1
D. x = , x = -1

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