Posted by cyn on Saturday, July 31, 2010 at 2:45pm.
The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=0.4x^2+12x+10, 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?

college algebra  bobpursley, Saturday, July 31, 2010 at 6:23pm
N(x)=.4( x^2 30 x 25)
N(x)=.4( x^230x+225250)
N(x)=.4( x15)^2 +.4(250)
so the maximum is at x=15
You solve for N(15).
Also, I recommend you graph this on your graphing calc, to see if it is correct.
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