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    4561468 Posts: 1, Reputation: 1
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    #1

    Oct 22, 2013, 10:43 AM
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    Y = square root of x / 3 - x. For which values of x will y be real?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Oct 22, 2013, 11:22 AM
    Please use parentheses, because I can't tell whether you mean:



    Or:



    Or:



    In any event, you need to determine fior what values of x the value inside the square root sign is non-negative. Can you do that?
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