document.write( "Question 732221: Does the set of ordered pairs {(2, 100), (13, 13), (14, 5), (60, 4), (100, 1)} define a function? \n" ); document.write( "

Algebra.Com's Answer #447706 by Edwin McCravy(20065) $\"\"$ $\"About$

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document.write( "{(2, 100), (13, 13), (14, 5), (60, 4), (100, 1)}\r\n" );
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document.write( "Yes it's a function because the six first coordinates,\r\n" );
document.write( "2, 13, 14, 60, and 100 are all different.\r\n" );
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document.write( "Here's a set of ordered pairs that is NOT a function:\r\n" );
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document.write( "{(4, 87), (15, 42), (15, 23), (75, 1), (100, 4)}\r\n" );
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document.write( "That's not a function because (15, 42) and (15, 23) have the same\r\n" );
document.write( "first coordinate, which is not allowed in a function.\r\n" );
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document.write( "Edwin

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