document.write( "Question 359482: how to tell when is the number a closed dot or open dot \n" ); document.write( "
Algebra.Com's Answer #256568 by Fombitz(32388)\"\" \"About 
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Closed dot means that point is part of the solution.
\n" ); document.write( "So \"f%28x%29=2\" when \"x%3E=1\" would look like,
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\n" ); document.write( "Open dot means that the point is not part of the solution but represents a boundary.
\n" ); document.write( "So \"f%28x%29=2\" when \"x%3E1\" would look like,
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