An airplane uses a fixed amount of fuel for takeoff, a (different) fixed amount for
Chapter 1, Problem 56(choose chapter or problem)
An airplane uses a fixed amount of fuel for takeoff, a (different) fixed amount for landing, and a third fixed amount per mile when it is in the air. How does the total quantity of fuel required depend on the length of the trip? Write a formula for the function involved. Explain the meaning of the constants in your formula.
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