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Homework Help: Fraction Function

  1. Oct 10, 2007 #1
    1. The problem statement, all variables and given/known data

    Solve: (x+1)/(x+6) >or= 0



    2. Relevant equations



    3. The attempt at a solution

    Don't know where to even start.
     
  2. jcsd
  3. Oct 10, 2007 #2

    Dick

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    List all of the x values where the numerator and denominator of the left hand side can change signs. Quick!
     
  4. Oct 10, 2007 #3
    x=-1 x=-6 ?
     
  5. Oct 10, 2007 #4

    Dick

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    Great! So if x<-6 what's the sign? If -6<x<-1, what's the sign? If x>-1, what's the sign? You only have three cases. Since it's >or=, you should think about x=-1 and -6 as well.
     
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