document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=905578>Question 905578</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It asks tell whether the relation is a function<BR>\n" );
document.write( "X -2 -3 -3 -4<BR>\n" );
document.write( "Y  1  2  3  4 \r<BR>\n" );
document.write( "\n" );
document.write( "I don't know how to check if its a function </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549500 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=549500\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Does x always give the same y?<BR>\n" );
document.write( "No <BR>\n" );
document.write( "x=-3 gives 2 and<BR>\n" );
document.write( " x=3 gives 3 <BR>\n" );
document.write( "therefore it is not a function,\r<BR>\n" );
document.write( "\n" );
document.write( "You can have two x's for a y but only one y for any x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );