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September 1st, 2017, 05:23 PM  #1 
Member Joined: Jan 2014 Posts: 55 Thanks: 2  Inequality with Quotient
Hi, I'm working on this inequality where I have to put a test point table and so I picked (0,3) U (3, to infinity) cause the signs on the table for each coordinator is the same. Where am I wrong? What's the interva notation? 
September 1st, 2017, 06:44 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,691 Thanks: 976 Math Focus: Elementary mathematics and beyond 
As a suggestion, Find the points of equality: $$\frac{x}{x+1}=3x\implies x(3x+2)=0\implies x=\frac23,0$$ 

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