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Thread: Interval Notation

  1. April 14th 2012, 07:40 PM #1
    SSmith
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    Interval Notation

    Hi,

    Just wanting some clarification on how, if possible, I am able to represent the inequality: -2.5 < x > 1
    using interval notation such as: x ∈ [1,3) for the interval 1 ≤ x < 3
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  2. April 14th 2012, 07:52 PM #2
    MathoMan
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    Re: Interval Notation

    -2.5 < x > 1 says that x>-2.5 AND x>1. So x\in \langle -2.5, \infty\rangle \cap \langle 1, \infty\rangle \Rightarrow x\in \langle 1, \infty\rangle
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