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December 18, 2014

December 18, 2014

Posted by **Liz** on Sunday, November 9, 2008 at 5:43pm.

- calculus -
**bobpursley**, Sunday, November 9, 2008 at 6:46pmassume the line goes on the same side L, the n crosses.

cost=15L+25sqrt(50^2+(L-x)^2 )

Where L is the distance downstream to the factory.

So what is dcost/dx ?

check my thinking.

- calculus -
**THEsTudent**, Thursday, October 14, 2010 at 7:54pmi have a similar question but instead of 50 its 60 aqnd 15 is 20

**Answer this Question**

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