document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=677380>Question 677380</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help solving the following equations<BR>\n" );
document.write( "f(x)=(5)/(x+2)    and g(x)=(9)/(x)\r<BR>\n" );
document.write( "\n" );
document.write( "Find<BR>\n" );
document.write( "f(g(x))<BR>\n" );
document.write( "g(f(x))<BR>\n" );
document.write( "f(f(x))<BR>\n" );
document.write( "g(g(x)) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #420853 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=420853\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=(5)/(x+2) and g(x)=(9)/(x) <BR>\n" );
document.write( "Find<BR>\n" );
document.write( "f(g(x)) = f[9/x) = 5/((9/x)+2) = 5/(9+2x)/x = 5x/(9+2x)<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "g(f(x)) = g(5/(x+2)) = 9/[5/(x+2)] = (9x+18)/5<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Can you handle the rest?<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "f(f(x))<BR>\n" );
document.write( "g(g(x))<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );