J j1mmy_ Member Joined Dec 5, 2011 Messages 45 Gender Undisclosed HSC 2013 Nov 18, 2012 #1 The cost of running a car at an average speed of V km/h is given by C=150 + (V²/80) cents per hour. Find the average speed to the nearest km/h, at which the cost of a 500km trip is a minimum.
The cost of running a car at an average speed of V km/h is given by C=150 + (V²/80) cents per hour. Find the average speed to the nearest km/h, at which the cost of a 500km trip is a minimum.
