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Math Help - Finding the Domain and Range for. . .

  1. #1
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    Finding the Domain and Range for. . .

    g(x) = \sqrt{1 - x^2}

    I know you set it into a rational equality

    so. . .

    1 - x^2 > 0

    And now what?
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  2. #2
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    Quote Originally Posted by Macleef View Post
    1 - x^2 > 0
    And now what?
    1 > x^2 ?
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  3. #3
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    Following Plato's Hint we have |x|\le1\implies -1\le x\le1. (It's actually greater or equal than zero, the condition of course.)
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