F ffdsfd New Member Joined Mar 15, 2016 Messages 1 Gender Undisclosed HSC 2018 Nov 19, 2016 #1 A truck travels 1500 km at an hourly cost given by s2 + 9000 cents where s is the average speed of the truck. b)Find the speed that minimises the cost of the trip. (c) Find the cost of the trip to the nearest dollar.
A truck travels 1500 km at an hourly cost given by s2 + 9000 cents where s is the average speed of the truck. b)Find the speed that minimises the cost of the trip. (c) Find the cost of the trip to the nearest dollar.
I InteGrand Well-Known Member Joined Dec 11, 2014 Messages 6,109 Gender Male HSC N/A Nov 19, 2016 #2 ffdsfd said: A truck travels 1500 km at an hourly cost given by s2 + 9000 cents where s is the average speed of the truck. b)Find the speed that minimises the cost of the trip. (c) Find the cost of the trip to the nearest dollar. Click to expand... Here's how to set it up. Last edited: Nov 19, 2016
ffdsfd said: A truck travels 1500 km at an hourly cost given by s2 + 9000 cents where s is the average speed of the truck. b)Find the speed that minimises the cost of the trip. (c) Find the cost of the trip to the nearest dollar. Click to expand... Here's how to set it up.
