document.write( "Question 897095: (2,6) (-3,6) (4,9) (2,10) how do I deteromine whether each relation represents function \n" ); document.write( "
Algebra.Com's Answer #543962 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
(2,6) (-3,6) (4,9) (2,10) how do I deteromine whether each relation represents function
\n" ); document.write( ".
\n" ); document.write( "Basically, you would be performing the \"vertical line test\" -- that is, for any value of x, there can only be one value of y.
\n" ); document.write( "In this case,
\n" ); document.write( "(2,6) (2,10)
\n" ); document.write( "there are TWO possible values of y when x=2.
\n" ); document.write( ".
\n" ); document.write( "So NO, this is NOT a function.
\n" ); document.write( "
\n" );