document.write( "Question 1121923: which relation is not a function.
\n" ); document.write( "1. (6,5), (-6,5), (5,-6)
\n" ); document.write( "2. (6, -5), (-6, 5), (5, -6)
\n" ); document.write( "3. (-6, -5), (6, -5), (5, -6)
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Algebra.Com's Answer #737931 by ikleyn(52864)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "    In the given relations, the first argument is an input;  the second argument is an output.\r\n" );
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document.write( "    A relation is not a function if and only if the same value of the input has different outputs.\r\n" );
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