Solve the problem.If the price for a product is given by p = 6400 - x2, where x is the number of units sold, then the revenue is given by R = px = 6400x - x3. How many units must be sold to give zero revenue?

A. 0, 80
B. 6400
C. 0, 6400
D. 0


Answer: A

Mathematics

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Find the function with the given derivative whose graph passes through the point P.f'(x) = x - 9, P(3, -9)

A. f(x) = x2 - 9x + 9
B. f(x) =  - 9x + 
C. f(x) = x2 - 9x
D. f(x) =  - 9x + 

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Provide an appropriate response.The diagonals of a  intersect at their common midpoint.

A. trapezoid B. pentagon C. parallelogram D. rhombus

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Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 4(3x + 3) - 14 = 9x + 1

A. {-1} B. ? C. {x|x is a real number} D. {1}

Mathematics

Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero. 

A.
B.
C.
D.

Mathematics