The Manager of 100 Apartments Knows That At $\$ 600$

Essay

The manager of 100 apartments knows that at $\$ 600$ rent per month, all apartments will be rented. For each \$25 increase, one apartment will not be occupied. Let $x$ represent the number of $\$ 25$ increases to the rent.
(a) Write the revenue as a function of $x$ .
(b) What rent per unit will yield maximum revenue?
(c) What is the maximum revenue? ch02_p13_20 3/31/10 8:49 AM Page 15