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November 20th, 2015, 03:47 AM   #1
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 November 20th, 2015, 05:15 AM #2 Math Team   Joined: Jan 2015 From: Alabama Posts: 3,264 Thanks: 902 Do you know what $\displaystyle \int 1 dx$ is? What about $\displaystyle \int -1 dx$? Do you know what |x+ 1| means? If you do, you should see that $\displaystyle \frac{|x+1|}{x+ 1}$ is a very simple function!
 November 20th, 2015, 01:55 PM #3 Global Moderator   Joined: May 2007 Posts: 6,822 Thanks: 723 It's even simpler when you see that x+1 > 0 for x > -1.

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