document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=328603>Question 328603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dtermine whether each relation is a function. In addition, provide reasons for identifying a relation as a function.\r<BR>\n" );
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document.write( "1. {(3,4),(5,9),(9,9),(2,3)}<BR>\n" );
document.write( "2. {(0,0),(0,1),(1,4),(2,4)}<BR>\n" );
document.write( "3. {(2,1),(4,5),(8,4),(1,0)}<BR>\n" );
document.write( "4. {(8,3),(8,0),(7,7),(4,7)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #235408 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=235408\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Dtermine whether each relation is a function. In addition, provide reasons for identifying a relation as a function. <BR>\n" );
document.write( "1. {(3,4),(5,9),(9,9),(2,3)}::: is a function<BR>\n" );
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document.write( "2. {(0,0),(0,1),(1,4),(2,4)}::: is not because x=0 is matched with 2 y-values<BR>\n" );
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document.write( "3. {(2,1),(4,5),(8,4),(1,0)}::: is a function<BR>\n" );
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document.write( "4. {(8,3),(8,0),(7,7),(4,7)}::: is not because x=8 is matched with 2 y-values<BR>\n" );
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document.write( "Criteria: each value of x has just one corresponding value of y<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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