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Algebra

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Is this [-8,infinity) the same as this x < -8 OR x > 1 ? Thank you.

  • Algebra -

    [-8,infinity)
    represents the interval from -8 inclusively [ to infinity exclusively ).

    [] are used to mean including the limits.
    () or ][ are used to mean excluding the limits.
    The above interval is the same as
    -8 ≤ x < ∞

  • Algebra -

    Is this [-8,infinity) the same as this x < -8 OR x > 1 ? Thank you.

    Based on what is below is below, is what is above = to the same? Thanks!


    [-8,infinity)
    represents the interval from -8 inclusively [ to infinity exclusively ).



    [] are used to mean including the limits.
    () or ][ are used to mean excluding the limits.
    The above interval is the same as
    -8 ¡Ü x < ¡Þ

  • Algebra -

    Your last line is not legible under Western nor unicode encoding. It is however, the correct answer under GB2312 encoding.

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