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Calculus The marketing department for a cell phone telephone company has determined that the demand for their...

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Basic Math

Calculus
The marketing department for a cell phone telephone company hasdetermined that the demand for their phone obeys the followingrelationship: p= -0.02+200 , (0 ≤ p ≤10,000) , where p denotes thephone’s unit price (in dollars) and x the quantity demanded. Thistype of question is much easier when you use your calculator, Ijust need to know what you did when you give me an answer usingit,
(a) Express the revenue as a function of x: Round all of thefollowing answers to the nearest penny when necessary.
(b) Find the rate of change in the revenue between the 2,000th and4,000th phone.
(c) Find the rate in change of revenue from the sale of the 5,118thphone.
(d) Find the exact revenue from the sale of the 815thtelephone.
(e) Use the marginal revenue function to estimate the revenue fromthe sale of the 815th phone. (f) Find the average revenue from thesale of 3000 phones.

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