Homework Help: algebra

Posted by emma g on Monday, February 1, 2010 at 11:38am.

the revenue from selling x units of a product is given by y=-0.0002x^2+60x. how many units must be sold in order to have the greatest revenue?
I think I need to use this formula: -b/2a, but I'm not sure if I'm getting the right answer. please explain step by step.
thank you.

algebra - bobpursley, Monday, February 1, 2010 at 11:51am
-b/2a is when x gives the maximum y.

-60/(2*-.0002)= you do it.
thank you - emma g, Monday, February 1, 2010 at 2:27pm
thanks again!

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