The function p(x) = –2(x – 9)2 + 100 is used to determine the profit on T-shirts sold for x dollars. What would the profit from sales be if the price of the T-shirts were $15 apiece?$15$28$172$244

Substitute the price x = 15 into the function: p(15) = –2(15 – 9)² + 100. Since 15 – 9 = 6 and 6² = 36, the profit is –2(36) + 100 = –72 + 100 = $28. The correct choice is $28.

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