document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=631686>Question 631686</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is the relation {(–2, 5), (–1, 5), (–1, 4), (–1, –3), (–2, 0)} 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 #397754 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=397754\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Is the relation {(–2, 5), (–1, 5), (–1, 4), (–1, –3), (–2, 0)} a function?<BR>\n" );
document.write( "NO<BR>\n" );
document.write( "Because when x=-1, there are THREE different values of y's <BR>\n" );
document.write( "and, when x=-2 there are TWO different values of y's<BR>\n" );
document.write( "this breaks the \"vertical line test\" </SPAN>\n" );
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