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.

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