A piano manufacturer has a daily fixed cost of $1,700 and a marginal cost of $1,900 per piano. Find the cost C(x) of manufacturing x pianos in one day. C(x) = 1900x + 1700 Use your function to answer the following questions. (a) On a given day, what is the cost of manufacturing three pianos? $ 7400 (b) What is the cost of manufacturing the third piano that day? (c) What is the cost of manufacturing the 11th piano that day? (d) What is the variable cost? What is the fixed cost? What is the marginal cost? per piano

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