1. Sep 18, 2012 #1

   ecesiu

   

   1. The problem statement, all variables and given/known data
   
   
   
   2. Relevant equations
   
   My solution for part B is different than the manual solution , here is the Manual solution :
   
   
   3. The attempt at a solution
   and this is my solution :
   

    

   ecesiu, Sep 18, 2012
2. 
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3. Sep 19, 2012 #2

   Ray Vickson

   

   Science Advisor

   Homework Helper

   For 0 ≤ y < 1, you must exclude the value y = 1, so you just have y = 0; that is, (x-3)^2 = 0, or x = 3. Similarly for the other values.
   
   RGV

    

   Ray Vickson, Sep 19, 2012

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