Answer to Question #257606 in Quantitative Methods for Bros

Question #257606

An apartment complex has 250 apartments to rent. If they rent xx apartments then their monthly profit, in dollars, is given by,P(x)=−8x2+3200x−80,000P(x)=−8x2+3200x−80,000

How many apartments should they rent in order to maximize their profit?



1
Expert's answer
2021-10-28T17:06:02-0400

P(x)=16x+3200=0P'(x)=-16x+3200=0

x=3200/16=200x=3200/16=200


P(250)=220000P(250)=220000

P(200)=240000P(200)=240000


P(200)>P(250)P(200)>P(250)

So, it should be rented 200 apartments in order to maximize their profit.


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