document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=309582>Question 309582</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can I determine whether this relation is a function or not? Need help\r<BR>\n" );
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document.write( " {(3,6),(4,6),(10,6),(12,6)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221416 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=221416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a relation is a function if there is only one solution for each domain member, that means no repeating value of a domain member in a solution set. A domain member is the left part of the coordinate system, a solution for the domain member is the right part of the coordinate system.<BR>\n" );
document.write( "Example: {(1, 2), (1, 4), (2, 5)} in not a function since a domain member, that is 1 have more than one solution, 2 and 4\r<BR>\n" );
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document.write( "so, if we have {(3, 6),(4, 6),(10, 6),(12, 6)}<BR>\n" );
document.write( "it is a function, because there aren't any domain members that have more than one solution (the domain members are 3, 4, 10, and 12) </SPAN>\n" );
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