document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168404>Question 168404</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780321331793/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following sets are functions from the set of the first components to the set of second components?<BR>\n" );
document.write( "{(b,a),(d,c),(a,e),(g,f)}<BR>\n" );
document.write( "{(a,b),(b,a),(c,c),(a,c)}<BR>\n" );
document.write( "{(b,a),(c,a),(b,b),(c,b)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124125 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=124125\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> any given x value cannot have 2 different y values\r<BR>\n" );
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document.write( "1st set appears to be a function<BR>\n" );
document.write( "2nd set appears to be a function<BR>\n" );
document.write( "3rd set is not a function as b has two different values a and b\r<BR>\n" );
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document.write( " </SPAN>\n" );
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