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Precalculus(URGENT)

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determine the domain of the function and express in interval notation
square root of x-9 =y
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  • Precalculus(URGENT) - ,

    y = √(x-9)

    Remember we can't take √ of a negative.
    What values of x would make x-9 negative?
    Domain would be all those values which make it either positive or zero.

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