SOLUTION: The number of tickets sold each day for an upcoming performance of Handels Messiah is given by N(x)=-0.4x^2+12x+15 where x is the number of days since the concert was first announc
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Question 482759: The number of tickets sold each day for an upcoming performance of Handels 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 josmiceli(19441) (Show Source): You can put this solution on YOUR website!
When a quadratic has the general form
, the peak is at .
when is a negative number.
given:
max =
daily ticket sales will peak 15 days after concert was announced
The number of tickets sold on that day will be
---------------
You can check this by making sure that both
and are smaller than
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