document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972885>Question 972885</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the function <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28x%29=+%28x%5E2%2B3x-4%29%2F%28x%5E2%2B9x%2B20%29+ ALIGN=MIDDLE  ALT=\"+f%28x%29=+%28x%5E2%2B3x-4%29%2F%28x%5E2%2B9x%2B20%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Using algebra only (not a graphing calculator), find the following features of the graph.<BR>\n" );
document.write( "a) x-intercept(s)<BR>\n" );
document.write( "b) vertical asymptote(s)<BR>\n" );
document.write( "c) horizontal asymptote(s)<BR>\n" );
document.write( "d) removable discontinuity (“hole”)<BR>\n" );
document.write( "I already found a-c, I just need help with d. I had said that x+5=0 so x=-5, therefore the domain is all real #'s but -5, but that was wrong. Please help, thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595137 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=595137\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just help for (d), holes in the graph.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28x%29=+%28x%5E2%2B3x-4%29%2F%28x%5E2%2B9x%2B20%29+ ALIGN=MIDDLE  ALT=\"+f%28x%29=+%28x%5E2%2B3x-4%29%2F%28x%5E2%2B9x%2B20%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28x-1%29%28x%2B4%29%29%2F%28%28x%2B4%29%28x%2B5%29%29 ALIGN=MIDDLE  ALT=\"%28%28x-1%29%28x%2B4%29%29%2F%28%28x%2B4%29%28x%2B5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "an obvious factor of 1 is present, making the function undefined for x=-4.\r<BR>\n" );
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document.write( "You did not identify the correct factor of 1 when you picked the \"hole\" at x=-5. </SPAN>\n" );
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