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 March 2nd, 2012, 09:34 AM #1 Senior Member   Joined: Feb 2012 Posts: 110 Thanks: 0 Finding the minimum average cost The total cost, in dollars, of producing x cell phones is approximated by the function C(x)= 2000-30x+x^/5 Find the minimum average cost. Thank you for your help
 March 2nd, 2012, 09:39 AM #2 Senior Member   Joined: Feb 2012 Posts: 628 Thanks: 1 Re: Finding the minimum average cost I'm assuming that equation is supposed to be $C(x)= 2000 - 30x + \frac{1}{5}x^2$. Then the average cost is $\frac{C(x)}{x}$. Caclulate the derivative of this function, set it equal to zero, and plug the result back into the average cost equation to get your answer.
 March 2nd, 2012, 09:44 AM #3 Senior Member   Joined: Feb 2012 Posts: 110 Thanks: 0 Re: Finding the minimum average cost thanks iceman

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# how to calculate the minimum average cost

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