SOLUTION: A cargo service operates by running a ship between Port A and Port B, a distance of 70km, at a constant speed of V kilometres per hour. For a given V the cost per hour of running t
Question 1140363: A cargo service operates by running a ship between Port A and Port B, a distance of 70km, at a constant speed of V kilometres per hour. For a given V the cost per hour of running the ship is 9000 + IOV^2 dollars. Find the value of V which minimises the cost of the trip. Answer by greenestamps(13198) (Show Source):