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Homework Help: Domain of the composition of these functions

  1. Sep 30, 2009 #1
    1. The problem statement, all variables and given/known data

    Form the composition f o g o h and give the domain.
    f(x) = x - 1, g(x) = 4x, h(x) = x2

    2. Relevant equations

    3. The attempt at a solution

    f(g(h(x))) = 4x2-1

    The domain of x is any real number.
  2. jcsd
  3. Sep 30, 2009 #2


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    Homework Helper

    your answer looks to be correct.
  4. Oct 1, 2009 #3
    Looks good to me.

    You know how to state the range as well?
  5. Oct 1, 2009 #4
    What is the shape of the graph? Does it have a maximum or minimum?
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