document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459912>Question 459912</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the domain of the rational expression<BR>\n" );
document.write( "f(x)=1-4x over x^2-2x-15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315416 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=315416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the domain of the rational expression<BR>\n" );
document.write( "f(x)=1-4x over x^2-2x-15<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "f(x) = -(4x-1)/[(x-7)(x+5)]<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "The denominator cannot be zero<BR>\n" );
document.write( "X cannot be 7 or -5<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Domain: All Real Numbers except x = 7 and x = -5.<BR>\n" );
document.write( "======================================================<BR>\n" );
document.write( "cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );