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?