document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=934653>Question 934653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let X={1,2,3,4}. Determine whether or not each relation  below is a Function from X to X\r<BR>\n" );
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document.write( "(i) f={(2,3); (1,4); (2,1); (3,2);(4,4)}  <BR>\n" );
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document.write( "(ii) g={(4,2); (3,1); (1,1)}        <BR>\n" );
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document.write( "(iii) h={(2,1); (3,4); (1,4); (2,1); (4,4)}\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #567656 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=567656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f is not a function as x = 2 maps to both y = 3 and y = 1\r<BR>\n" );
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document.write( "g is a function since any given x value maps to EXACTLY ONE y value\r<BR>\n" );
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document.write( "h is a function since any given x value maps to EXACTLY ONE y value (assuming the two copies of \"(2,1)\" are not a typo) </SPAN>\n" );
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