document.write( "Question 1040294: Is the relation a function? Why or why not?
\n" ); document.write( " {(-1, 1), (-2, 1), (-2, 2), (0, 2)} \n" ); document.write( "
Algebra.Com's Answer #655075 by Edwin McCravy(20056)\"\" \"About 
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document.write( "No it isn't, because (-2, 1) and (-2, 2) have the same FIRST \r\n" );
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document.write( "[It doesn't matter that some have the same SECOND coordinate.\r\n" );
document.write( "It's only more than one point with the same FIRST coordinate \r\n" );
document.write( "that prevents a set of ordered pairs from being a function.]\r\n" );
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document.write( "Edwin
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