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September 5, 2015

Homework Help: Math Calculus

Posted by Megan on Friday, July 8, 2011 at 11:41am.

Let C(x) = 0.02x^3 + 55x^2 + 1380.
Find the minimum average cost for this commodity.

I got to the point where I got x=-1374.98, x=-5.018, x=5

but what do I have to do again after this? Because I am missing some steps after I find x.

Do i have to plug all the X's to the original?

thanks :)

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