Suppose the total cost of producing x books is C(x) = 22 + 3x² in dollars and the price-demand equation is 3x + p = 40. What is the total cost of producing 6 books? What is the marginal cost of producing the 4th book? What is the average cost of producing 3 books? What is the marginal average cost of producing the 6th book?

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A: Given query is to graph the line.

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A: Please see the below picture for detailed solution .

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A: We can solve this as follows:

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A: Explanation of the answer is as follows