document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=51251>Question 51251</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f(x)=1/x-2<BR>\n" );
document.write( "g(x)= 4/x\r<BR>\n" );
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document.write( "(fog)(x)<BR>\n" );
document.write( "(gof)(x)\r<BR>\n" );
document.write( "\n" );
document.write( "please can you show me how to do this problem? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #34190 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=34190\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=1/x-2=y say<BR>\n" );
document.write( "g(x)= 4/x =z say<BR>\n" );
document.write( "(fog)(x)=f(g(x))=f(z)=1/(z-2)=1/{(4/x)-2}=2/(4-2x)=1/(2-x)<BR>\n" );
document.write( "(gof)(x) =g(f(x))=g(y)= 4/y=4/{1/(x-2)}=4(x-2)<BR>\n" );
document.write( "please can you show me how to do this problem?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );