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QUESTION
Passengers on many flights may make calls from a phone provided by the airline. on a certain airline, a call costs $3 to connect plus $2.50 for each minute. the cost is a function of the number of min
Passengers on many flights may make calls from a phone provided by the airline. on a certain airline, a call costs $3 to connect plus $2.50 for each minute. the cost is a function of the number of minutes talked.
