A truck has a minimum speed of 11 mph in high gear. When traveling a mph, the truck burns diesel fuel at the rate of 784 gal 0.0097466 mile Assuming that the truck can not be driven over 54 mph and that diesel fuel costs $1.44 a gallon, find the following. (a) The steady speed that will minimize the cost of the fuel for a 540 mile trip. 28 (b) The steady speed that will minimize the total cost of a 540 mile trip if the driver is paid $20 an hour. 46.9999 (c) The steady speed that will minimize the total cost of a 360 mile trip if the driver is paid $35 an hour. ar Note: You can earn partial credit on this