document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=180810>Question 180810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the relation is a function.\r<BR>\n" );
document.write( "\n" );
document.write( "{(-1, -9), (1, 5), (6, -3), (7, -4), (10, 2)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135541 by </B><A HREF=/tutors/aboutme.mpl?userid=eperette><B>eperette(173)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=eperette><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=135541\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are different ways to remember if a relation is a function, when given sets of points the best method to use is to make sure the x-values do not repeat\r<BR>\n" );
document.write( "\n" );
document.write( "(-1, -9)<BR>\n" );
document.write( "(1, 5)<BR>\n" );
document.write( "(6, -3)<BR>\n" );
document.write( "(7, -4)<BR>\n" );
document.write( "(10, 2)\r<BR>\n" );
document.write( "\n" );
document.write( "If you look down, there are no x's repeating so this is a function </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );