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Math Help - logarithm

  1. #1
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    logarithm

    what is the domain of log subscript 9 x? (x is normal sized)
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  2. #2
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    Quote Originally Posted by FinalFantasy9291 View Post
    what is the domain of log subscript 9 x? (x is normal sized)
    The base is irrelevant. I'll assume we're working in the reals. The domain is x > 0 because otherwise the logarithm is undefined.
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