# CCGPS AA 6.1.4 Example 3

- Author:
- Walch Education

- Topic:
- Equations

A small airline’s cost per passenger for number of passengers (in thousands) per year is given by the function , where is measured in millions of dollars and . Find the airline’s cost for flying 10,000 passengers. If the average ticket price for all classes of tickets is $320 per passenger, find the profit made by the airline for flying 10,000 passengers. How many passengers did the airline have if the total cost was $4 million?