An accessories company finds that the cost, in dollars, of

Last updated: 7/6/2022

An accessories company finds that the cost, in dollars, of producing x belts is given by C(x) = 720+30x-0.064x². Find the rate at which average cost is changing when 172 belts have been produced. First, find the rate at which the average cost is changing when x belts have been produced. c=0 When 172 belts have been produced, the average cost is changing at for each additional belt. (Round to four decimal places as needed)