document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85706>Question 85706</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a question that states:  find (g of f)(x) for the pair of functions. f(x)=x+2 and g(x)=squareroot of x+5, x is greater than or equal -5.  I have no clue how to do this!?! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #61932 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=61932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (g of f)(x) means g[f(x)] meaning g(x + 2)<BR>\n" );
document.write( "g(x) = sqrt(x + 5)<BR>\n" );
document.write( "g(x + 2) = sqrt(x + 2 + 5)<BR>\n" );
document.write( "g(x + 2) = sqrt(x + 7)<BR>\n" );
document.write( "g[f(x)] >= -5<BR>\n" );
document.write( "sqrt(x + 7) >= -5<BR>\n" );
document.write( "x + 7 >= 25<BR>\n" );
document.write( "x >= 18<BR>\n" );
document.write( "With Rule:<BR>\n" );
document.write( "x + 7 >= 0<BR>\n" );
document.write( "x >= -7 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );