document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206010>Question 206010</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine if the relation is a function or not.\r<BR>\n" );
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document.write( "{(1,2), (1,2), (-3,1), (5,0)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155772 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=155772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A relation is a function if for every x in the domain, there correponds one and only value of y in the range.\r<BR>\n" );
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document.write( "Domain: {-3,1,5}<BR>\n" );
document.write( "Range: {0,1,2}\r<BR>\n" );
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document.write( "by inspection, every x in the domain corresponds to one and only one y: <u>it is a function</u>.\r<BR>\n" );
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document.write( "Note: Notice that the ordered pair (1,2) is repeated in the set. In a set, repetition of elements are always ignored.\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain! </SPAN>\n" );
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