<PRE><B>Question 327562</B>
tickets=-0.2x^2+12x+11 Appendix F, math 117
projected ticket sales, will tickets peak or be at a low during the middle of the sale?
Ans: Peak because the parabola opens downward when the coefficient of
the x^2 term is negative.
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Cheers,
stan H. 

How do you know?
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