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on a number line: What does a closed circle mean and what does an open circle mean?
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Open - means that the value over which the circle has been placed is NOT INCLUDED in the interval Closed - means it is included...
a closed circle means less than or equal 2 or greater than or equal 2 a open circle just means greeater than or less than
|dw:1355347059859:dw|
wait i think im thinking about something different
One means equal to only and one means equal to or or greater/lessthan
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