Math

An airplane crosses the Atlantic Ocean​ (3000 miles) with an airspeed of 600 miles per hour. The cost C​ (in dollars) per passenger is given by
C(x)=150+x/20+36,000/x

What is the cost per passenger for quiescent​ (no wind)​ conditions?

What is the cost per passenger with a head wind of 50 miles per​ hour?

What is the cost per passenger with a tail wind of 100 miles per​ hour?

What is the cost per passenger with a head wind of 100 miles per​ hour?

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