document.write( "Question 607600: Determine whether or not the relation is a function.
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Algebra.Com's Answer #382798 by Edwin McCravy(20056) $\"\"$ $\"About$

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{(-3, 6), (-2, 7), (-1, 8), (0, 9)}
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document.write( "Yes it's a function because the 1st coordinates, \r\n" );
document.write( "-3,-2,-1, and 0 are all different.\r\n" );
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document.write( "That's the requirement for a relation to be a function.\r\n" );
document.write( "It doesn't matter whether the 2nd coordinates are all\r\n" );
document.write( "different or not, but the 1st coordinates MUST all be\r\n" );
document.write( "different, no two alike. \r\n" );
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document.write( "Edwin

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