document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189645>Question 189645</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A) Use the vertical ling test to determine whether the equation x=y^2-1 represents y as a function of x. B) if the graph fails, draw a vertical line on the graph which indicates the equation is NOT 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 #142298 by </B><A HREF=/tutors/aboutme.mpl?userid=user_dude2008><B>user_dude2008(1862)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=user_dude2008><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=142298\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Graph of x=y^2-1 fails vert. line test. So x=y^2-1 is not a function\r<BR>\n" );
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document.write( "Ex: Draw a vertical line at x=1. Line passes through 2 points on graph </SPAN>\n" );
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