document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80658>Question 80658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine whether this relation is a function please give step by step thanks<BR>\n" );
document.write( "x=y^4 </SPAN>\n" );
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document.write( "x=y^4<BR>\n" );
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document.write( "If y=-2, x=16,<BR>\n" );
document.write( "If y=+2, x=16<BR>\n" );
document.write( "Thus two points of the graph have the same domain value but different range values.  Thus x=y^4 is not a function.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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