Mathematics, 06.01.2021 19:10 greend0719

A concert promoter models the profit from her next concert, P dollars, by the equation: P=-11(t-55)^2+10571 a)How much should she charge per ticket to break-even? b)What price maximizes her profit? c)What is the maximum price she can charge before losing money? Show this step by step please?

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A concert promoter models the profit from her next concert, P dollars, by the equation: P=-11(t-55)^...