document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155244>Question 1155244</A>: <I><SPAN STYLE=\"word-break: break-all;\"> which of the following expression could be used as a denominator of a rational function without placing any limits on the domain of the function?\r<BR>\n" );
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document.write( "a)2x+3<BR>\n" );
document.write( "b)\sqrt(x^2+5)<BR>\n" );
document.write( "c)x^2-9<BR>\n" );
document.write( "d)x^2-x-6<BR>\n" );
document.write( "e)2,321<BR>\n" );
document.write( "f)none </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #777796 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=777796\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "a denominator of a rational function without placing any limits on the domain of the function is a denominator without variable\r<BR>\n" );
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document.write( "The <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+ ALIGN=MIDDLE  ALT=\"x+\"   DISABLED_style= \"max-width:90%; height:auto;\" >-values at which the denominator equals zero are called singularities and are not in the domain of the function.\r<BR>\n" );
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document.write( "so, your answer is:\r<BR>\n" );
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document.write( "e) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2321 ALIGN=MIDDLE  ALT=\"2321\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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