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Math Help - Range of Function

  1. #1
    rcs
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    Range of Function

    how is it possible to find the range of a function)
    in interval notation answer,


    f(x) = sq.rt ( 9 - x^2)

    i really have difficulty in finding range and domain of a function... can you help me in this problem
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  2. #2
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    Re: Range of Function

    Quote Originally Posted by rcs View Post
    how is it possible to find the range of a function)
    in interval notation answer, f(x) = sq.rt ( 9 - x^2)
    i really have difficulty in finding range and domain of a function.

    If we have \sqrt{y} then y\ge 0.

    So |x|\le 3. WHY?

    Now you show us some of your efforts.
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