Minimizing Cost A business that produces color copies is trying to minimize its average cost per copy (total cost divided by the number of copies). This average cost in cents is given by flx) = 0.00000093.x² – 0.0145x + 60, where x represents the total number of copies. (a) Describe the graph of f. (b) Find the minimum average cost per copy and the corresponding number of copies made.

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