document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1002124>Question 1002124</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If f(x)=x^2-1 and g(x)=x+1, find f(g(x)) and g(f(x)) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #619118 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=619118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "f(x) = x^2 - 1<BR>\n" );
document.write( "g(x) = x + 1<BR>\n" );
document.write( ".............<BR>\n" );
document.write( "f(g(x)) = (x + 1)^2 - 1<BR>\n" );
document.write( "f(g(x)) = x^2 + 2x <BR>\n" );
document.write( "..........<BR>\n" );
document.write( "g(f(x)) = (x^2 - 1) + 1<BR>\n" );
document.write( "g(f(x)) = x^2<BR>\n" );
document.write( "..............<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );