document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1170033>Question 1170033</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following relations is a function?\r<BR>\n" );
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document.write( "A.<BR>\n" );
document.write( "{(5,9),(−7,3),(−5,11),(7,9)}<BR>\n" );
document.write( "B.<BR>\n" );
document.write( "{(6,11),(−8,7),(6,4),(9,5)}<BR>\n" );
document.write( "C.<BR>\n" );
document.write( "{(−12,1),(4,9),(−12,8),(−4,15)}<BR>\n" );
document.write( "D.<BR>\n" );
document.write( "{(8,3),(8,0),(−8,13),(−8,17)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #794898 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=794898\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A. It is the only one where the x values are all different. <BR>\n" );
document.write( "When there is the same x value and two different y-values, there is no function.  </SPAN>\n" );
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