Posted by katie on Friday, September 23, 2011 at 11:31am.
I need to write an interval notion for
9<x<14 = how do I write this?

Algebra 116 A  Anonymous, Friday, September 23, 2011 at 11:34am
(9,14)

Algebra 116 A  katie, Friday, September 23, 2011 at 11:36am
I thought I needed Brackets or such

Algebra 116 A  Steve, Friday, September 23, 2011 at 5:28pm
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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