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F(x) = x/x+1

  1. Aug 21, 2006 #1
    :(
    I already don't know how to do my first assignment.
    I mean, I do, but I really don't remember how.

    f(x) = x/x+1

    Find f(2+h), h is nonzero.
    f(2+h) = 2+h / 2+h+1
    f(2+h) = 2+h / 3+h
    Is this it? I don't think it is. :(


    I think once I get past that, I can do it.
     
  2. jcsd
  3. Aug 21, 2006 #2
    how do you get the 3? I hope your writing your fraction properly. What does x/x mean to you. OR do you mean x/(x+1)?
     
  4. Aug 21, 2006 #3
    Yeah, sorry. x/(x+1)
     
  5. Aug 22, 2006 #4
    Yes. That's it.

    f(2+h) = 2+h / 3+h

    You should notice that h is not equal to -3 or x is not equal to -1 as x = 2+h . something over zero is meaningless.
     
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