document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=516724>Question 516724</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the Domain of the given functions:\r<BR>\n" );
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document.write( "x/x^2+3x\r<BR>\n" );
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document.write( "and\r<BR>\n" );
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document.write( "&#8730;(X+9)/(x+4)(X-8) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345226 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=345226\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the Domain of the given functions: <BR>\n" );
document.write( "x/x^2+3x <BR>\n" );
document.write( "and <BR>\n" );
document.write( "&#8730;(X+9)/(x+4)(X-8)<BR>\n" );
document.write( "**<BR>\n" );
document.write( "To find the domain of rational functions, we must find the x-values at which the function  becomes undefined, that is, when the denominator=0 To do this, set the denominator=0, then solve for x-values, if any, which makes the denominator=0.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "For x/x^2+3x<BR>\n" );
document.write( "x^2+3x=0<BR>\n" );
document.write( "x(x+3)=0<BR>\n" );
document.write( "x=0 and -3<BR>\n" );
document.write( "Domain:<BR>\n" );
document.write( "{x|x&#8800;0,x&#8800;-3}<BR>\n" );
document.write( "or<BR>\n" );
document.write( "(-&#8734;,-3) U (-3,0) U (0,&#8734;) </SPAN>\n" );
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