The DeWitt Company has found that the rate of change of its average cost for a product is 100 C (x) : x2 where x is the number of units and cost is in dollars. The average cost of producing 4 units is $56.00. (a) Find the average cost function for the product. (b) Find the average cost of 60 units of the product. (Round your answer to two decimal places.) 2$

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