document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=732112>Question 732112</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Explain the \"Vertical Rule\" why it works in finding out if a graph or a rule is a function.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #447533 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=447533\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A vertical line will intersect a function in no more than one point.  Each x value has no more than one y value.   </SPAN>\n" );
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