SOLUTION: Help with HW the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Help with HW the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert       Log On


   



Question 363737: Help with HW
the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
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Max occurs at x = -b/(2a) = -12/(-0.8) = 15
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f(15) = -0.4(15)^2 + 12(15) + 15 = 186 (max # of tickets sold)
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Cheers,
Stan H.