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MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
A manufacturer can produce radios at a cost of $50 each. It is estimated that if theseare sold for p dollars then the consumers will buy x = 120 − p each month
.(a) Express the manufacturers profit as a function of x.
(b) What is the average rate of profit obtained as the level of production increasesfrom x = 0 to x = 20?
(c) What is the instantaneous rate of change of the profit when x = 20 radios areproduced? Is the profit increasing or decreasing at this level of production?
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