document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=996213>Question 996213</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given f(x)=x/3-x and g(x)=3x/1+x, find g(f(4)).\r<BR>\n" );
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document.write( "A. -4? B. -1? C. 1? D. 4? \r<BR>\n" );
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document.write( "Thank you :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #614749 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=614749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=x/(3-x) and g(x)=3x/(1+x), find g(f(4))<BR>\n" );
document.write( "We can first find f(4) = 4/(3-4) = 4/(-1) = -4.<BR>\n" );
document.write( "So f(4) = -4<BR>\n" );
document.write( "Now substitute -4 for x in 3x/(1+x)<BR>\n" );
document.write( "3(-4)/(1+(-4))<BR>\n" );
document.write( "-12/-3<BR>\n" );
document.write( "4<BR>\n" );
document.write( "So g(f(4)) = 4<BR>\n" );
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