12 The cost per hour for fuel to run a train is 8 dollars, where v is the speed of the train in miles per hour (Note tha
Posted: Tue May 10, 2022 6:19 pm
12 The cost per hour for fuel to run a train is 8 dollars, where v is the speed of the train in miles per hour (Note that the cost goes up as the square of the speed.) Other costs, including labor are $300 per hour How fast should the train travel on a 300-mile trip to minimize the total cost for the trip?