document.write( "Question 1135780: Determine whether the equation defines y as a function of x.\r
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Algebra.Com's Answer #753454 by Edwin McCravy(20054)\"\" \"About 
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document.write( "y² = 2x\r\n" );
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document.write( "No because (8,4) and (8,-4) are both ordered pairs\r\n" );
document.write( "that satisfy the equation, and a function never\r\n" );
document.write( "has the same first coordinate with different second\r\n" );
document.write( "coordinates.\r\n" );
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document.write( "Edwin
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