anonymous
  • anonymous
The number of tickets sold each day for an upcoming performance of Handels Messiah is given by N(x)=-0.3x^2+9x+13, where x is the number of days since the concert was first announces. When will daily ticket sales peak and how many will be sold that day? ( I am very lost here)
Mathematics
chestercat
  • chestercat
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chestercat
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asnaseer
  • asnaseer
do you know how to find the max/min of a function?
asnaseer
  • asnaseer
have you done calculus?
anonymous
  • anonymous
i have never done calculus

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anonymous
  • anonymous
I am pretty much a math idiot
asnaseer
  • asnaseer
so maybe your teacher wants you to graph this function and then see what the maximum value is?
anonymous
  • anonymous
you can complete the square to find the vertex of the equation
anonymous
  • anonymous
they want to know what day the ticket sales will peak after the concert was first announced and the number of tickets sold on that day
asnaseer
  • asnaseer
yes - we know that - moneybird and myself are trying to establish which method would be best for you depending on what you have been taught
asnaseer
  • asnaseer
so, as moneybird stated, have you studied how to express a quadratic equation in vertex form?
asnaseer
  • asnaseer
We can't help you if you don't respond.
anonymous
  • anonymous
sorry yes
anonymous
  • anonymous
i was trying to make sense of this problem thats I wasnt responding.....ready to rip my hair out...:(
asnaseer
  • asnaseer
so try and re-arrange the equation in vertex form
asnaseer
  • asnaseer
which is:\[N(x)=a(x-h)^2+k\]
anonymous
  • anonymous
ok

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