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Algebra 116 A

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I need to write an interval notion for
9<x<14 = how do I write this?

  • Algebra 116 A -

    (9,14)

  • Algebra 116 A -

    I thought I needed Brackets or such

  • Algebra 116 A -

    Brackets are used for included endpoints.

    (9,14) for 9 < x < 14
    [9,14) for 9 <= x < 14
    (9,14] for 9 < x <= 14
    [9,14] for 9 <= x <= 14

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