The owner of an apartment building can rent all 5 0 apartments if she charges $ 1 , 5 0 0 per month, but she
The owner of an apartment building can rent all apartments if she charges $ per month, but she rents one fewer apartment for each $ increase in monthly rent.
a Write an equation that gives the revenue R from apartment rentals if she makes x increases of $ in the rent.
Find the rent she should charge to maximize her revenue.
