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December 20, 2014

December 20, 2014

Posted by **Jamie** on Wednesday, September 26, 2012 at 10:02pm.

- College algebra -
**Steve**, Thursday, September 27, 2012 at 10:54amin any parabola ax^2+bx+c=0, the max value is attained at x = -/2a.

So, here that would be when x = 15/-6 = -5/2

y(5/2) = 19.75

- College algebra -
**Aljebeth D. Tura**, Friday, September 28, 2012 at 2:29amanother way of solcinf the problem is by deriving and setting dy/dx=0...but the above sol. is easier that but its disadv. is you may forget the formula.. :D

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