document.write( "Question 1195887: Each set of ordered pairs represents a function. Write a rule that represents the function.\r
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Algebra.Com's Answer #828484 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "Each set of ordered pairs represents a function. Write a rule that represents the function.\r
\n" ); document.write( "\n" ); document.write( "(2,10), (4,20), (5,25), (7, 35), (9, 45)
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document.write( "What is written in this post, is soup of words.\r\n" );
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document.write( "First statement in the post is INCORRECT.\r\n" );
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document.write( "It is incorrect, because NOT EACH set of ordered pairs represents a function.\r\n" );
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document.write( "For example, this set of ordered pairs  (1,2), (1,3), (1,4) does not represent a function.\r\n" );
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document.write( "But the set GIVEN in the post DOES represent a function, since first elements \r\n" );
document.write( "of the pairs are all different.\r\n" );
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document.write( "In the given case, the \"value\" (the second element of each pair) \r\n" );
document.write( "is five times the respective \"argument\" (the first element of the pair).\r\n" );
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document.write( "    THEREFORE, in this case,  the rule (the formula for the function) is\r\n" );
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document.write( "                   y = 5x.               ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r
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