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Mathematics 17 Online
OpenStudy (anonymous):

The function P = -3h2 + 90h - 400 models the daily profit a barbershop makes from haircuts that include a shampoo. Here P is the profit in dollars, and h is the price of a haircut with shampoo. Write the function in vertex form. Use the vertex form to find the price that yields maximum daily profit and the amount of the daily profit. Answer A. $15; $275 B. $30;$500 C. $5;$475 D. $30;$600

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