Which function has the greater maximum? Explain.

Example 3

11. FISHING A county park sells annual permits to its fishing lake. Last year, the

county sold 480 fishing permits at $80. This year, the park is considering a price

increase. They estimate that for each $4 increase, they will sell 16 fewer

annual fishing permits.

-3

3

6

-26

-11

-2

1

-2

a. Define variables and write a function to represent the situation.

b.

How much would the park have to charge for each permit in order to maximize its reven

from fishing permits?

b. Find the domain and range in the context of this situation