# 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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