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posted by  Bob on 8/26/2008 6:02:43 PM  |  status: Live  

Set Theory - one to one and onto

Course Textbook Chapter Problem
N/A Discrete Source ISBN 0536992908 2-2 15
Question Details:
  Determine if function is 1 to 1, onto or both. Domain is all real numbers. If not  1 to 1, prove it. Also determine whether  f is onto the set of all real numbers. If not prove it.
 
  f(x) = x/(a+x2)
 
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posted by Galois on 8/27/2008 4:42:28 AM  |  status: Live
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