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?

Find the airline's cost for flying 10,000 passengers.

Calculate the amount of profit given a revenue of $320 per passenger.

Compute the number of passengers required for a total cost of $4 million.

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