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Math Help - Find the domain of this function

  1. #1
    Junior Member
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    Find the domain of this function

    Given this function, can someone show me step by step how to find the domain:

    f(x) = squareroot(x-9)


    Step by step would be appreciated.
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  2. #2
    Senior Member
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    Crna Gora
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    Re: Find the domain of this function

    Quote Originally Posted by hemi View Post
    Given this function, can someone show me step by step how to find the domain:

    f(x) = squareroot(x-9)


    Step by step would be appreciated.
    step 1.

    x-9 \geq 0

    step 2 .

    x \in [9 , +\infty)
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