document.write( "Question 1119852: Assume that it costs a company approximately C(x) = 441,000 + 160x + 0.001x^2
\n" ); document.write( "dollars to manufacture x units of a device in an hour at one of their manufacturing centers. How many devices should be manufactured each hour to minimize average cost? What is the resulting average cost of a device?
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Algebra.Com's Answer #735484 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Quadratic function of the general form  f(x) = ax^2 + bx + c  (with the leading coefficient a > 0)\r\n" );
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document.write( "achieves its minimum at  x= \"-b%2F%282a%29\".\r\n" );
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document.write( "In your case the minimum is achieved at  x = \"-160%2F%282%2A0.001%29\" = -80000.\r\n" );
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document.write( "How they will manage to produce negative number of units, I don't know.\r\n" );
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document.write( "It means that there is an error in your post,  so I spent my time for nothing, working on it.\r\n" );
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document.write( "Plot y = \"441000+%2B+160x+%2B+0.001x%5E2\"\r\n" );
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Absurd.

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