Solve the problem.Suppose that the daily cost C of manufacturing x bicycles is given by  Then the average daily cost  is given by  How many bicycles must be produced each day in order for the average cost to be no more than 

A. {x|x ? 10}; [10, ?)
B. {x|0 < x ? 100}; (0, 100]
C. {x|x ? 1000}; [1000, ?)
D. {x|x ? 100}; [100, ?)


Answer: D

Mathematics

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