An accessories company finds that the cost, in dollars, of producing x belts is given by C(x) = 720 + 30x- 0.064x. Find the rate at which average cost is changing when 175 belts have been produced. First, find the rate at which the average cost is changing when x belts have been produced.

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Q: An accessories company finds that the cost, in dollars, of producing x belts is given by C(x)=…

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