Posted by Breanna on Friday, July 24, 2009 at 6:19pm.
Is this [8,infinity) the same as this x < 8 OR x > 1 ? Thank you.

Algebra  MathMate, Friday, July 24, 2009 at 8:41pm
[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  Breanna, Saturday, July 25, 2009 at 11:51am
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  MathMate, Saturday, July 25, 2009 at 3:55pm
Your last line is not legible under Western nor unicode encoding. It is however, the correct answer under GB2312 encoding.
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