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  • 10 months ago
    Favorite Answer

    f(x) = √(16 - 2x)

    The terms under the radical must be greater than or equal to zero.

    16 - 2x >= 0

    16 >= 2x

    8 >= x

    This is the domain.

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  • JOHN
    Lv 7
    10 months ago

    The domain is {x ∈ ℝ: 16 - 2x ≥ 0}

    = {x ∈ ℝ: x ≤ 8 }.

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  • ted s
    Lv 7
    10 months ago

    Of what type of numbers can you take square roots and obtain a real number ?

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  • Anonymous
    10 months ago

    Yahoo Answers shouldn't be about cheating on your homework.

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