document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008592>Question 1008592</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the relation is a function. Explain.\r<BR>\n" );
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document.write( "x=-4 \r<BR>\n" );
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document.write( "a) The graph of the relation is a vertical line and every vertical line intersects the graph at only one point. <BR>\n" );
document.write( "b) The graph of the relation is a vertical line and so there is a vertical line, x=a, that intersects its graph at more than one point. <BR>\n" );
document.write( "c) The graph of the relation is a horizontal line and every vertical line intersects its graph at only one point. <BR>\n" );
document.write( "d) The graph of the relation is a horizontal line and so there is a vertical line, x=a, that intersects its graph at more than one point.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #624208 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=624208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The graph of x = -4 is a vertical line that passes through -4 on the x axis. This is NOT a function because it fails the vertical line test. Any vertical line is NOT a function. </SPAN>\n" );
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