document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206070>Question 1206070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function. (Enter your answer using interval notation.)<BR>\n" );
document.write( "f(x) = x4/x2 + x − 56<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #843262 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52787)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=843262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "When you are given a rational function and they want you determine its domain,<BR>\n" );
document.write( "then you always perform the same procedure.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You determine if the denominator has real roots.<BR>\n" );
document.write( "If it has real roots, you exclude them from the set of all real numbers.<BR>\n" );
document.write( "The rest is the domain.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To write your post correctly, use parentheses, in order we, the tutors (and the readers)<BR>\n" );
document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;could identify, WHICH part is the numerator and WHICH part is the denominator.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );