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October 21, 2014

October 21, 2014

Posted by **Anonymous** on Thursday, February 9, 2012 at 3:55pm.

- calculus -
**Steve**, Thursday, February 9, 2012 at 8:39pmwhat's the trouble?

c(x+1) = 200 + .4(x+1) = 200 + .4x + .4 = 200.4 + .4x

c(x+1)-c(x) = 200.4 + .4x - (200 + .4x) = 0.4

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