document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=911259>Question 911259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Express the function y=sqrtx^2+2 as a composition y=f(g(x)) of two simpler functions y=f(u) and u=g(x). \r<BR>\n" );
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document.write( "f(u) =  <BR>\n" );
document.write( "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 #552958 by </B><A HREF=/tutors/aboutme.mpl?userid=ichigo449><B>ichigo449(30)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ichigo449><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=552958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let u = x <BR>\n" );
document.write( "Then f(u) = abs(u) + 2, where abs(x) is the absolute value function. \r<BR>\n" );
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document.write( "If, instead the 2 isn't added later then the decomp is: <BR>\n" );
document.write( "u = x^2 + 2 <BR>\n" );
document.write( "f(u) = sqrt(u) <BR>\n" );
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