Business Calculus Quiz
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A tour company's profit for a trip is P(x)=−x2+120x−2000P(x) = -x^2 + 120x - 2000 dollars, where xx is the number of passengers. The tour bus has a maximum capacity of 50 passengers. A student finds the maximum profit by calculating the vertex of the parabola y=−x2+120x−2000y = -x^2 + 120x - 2000. This approach contains a potential setup pitfall because:
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