document.write( "Question 998514: Write a mapping diagram of each relation and state whether it is a function \r
\n" ); document.write( "\n" ); document.write( "{(4/8,2/5),(4/7,8/9),(4/3,3/8)}
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Algebra.Com's Answer #616287 by fractalier(6550)\"\" \"About 
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4/8 ---> 2/5
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\n" ); document.write( "4/3 ---> 3/8\r
\n" ); document.write( "\n" ); document.write( "This is a function because for every x there is only one y.
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