SOLUTION: how to tell when is the number a closed dot or open dot

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Question 359482: how to tell when is the number a closed dot or open dot
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Closed dot means that point is part of the solution.
So f%28x%29=2 when x%3E=1 would look like,

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Open dot means that the point is not part of the solution but represents a boundary.
So f%28x%29=2 when x%3E1 would look like,

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