document.write( "Question 40691: Intersections and Unions
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Algebra.Com's Answer #26173 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
If your O means the null set or empty set,
\n" ); document.write( "the union is the set \"y\".
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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