SOLUTION: The number of tickets sold each day for an upcoming performance od Handel's Messiahis given by N(x)=-0.6x^2+18x+14, where x is the number of days since the concert first was announ

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Question 430330: The number of tickets sold each day for an upcoming performance od Handel's Messiahis given by N(x)=-0.6x^2+18x+14, where x is the number of days since the concert first was announced.When will daily tickets peak and how many will be sold that day?
Pls help...ASAP.
thanks
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 od Handel's Messiahis given by N(x)=-0.6x^2+18x+14, where x is the number of days since the concert first was announced. When will daily tickets peak and how many will be sold that day?
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Maximum occurs when x = -b/2a = -18/(2*-0.6) = 15 (the day it peaks)
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N(15) = -0.6(15)^2+18(15)+14 is the number sold.
N(15) = 149
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cheers,
Stan H.