document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165144>Question 1165144</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find g•f<BR>\n" );
document.write( "f(x)=2x+3<BR>\n" );
document.write( "g(x)=x^2-4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #789596 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=789596\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> here put the 2x+3 into the g(x) function anywhere there is an x<BR>\n" );
document.write( "g o f= (2x+3)^2-4\r<BR>\n" );
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document.write( "f(x)=2x<BR>\n" );
document.write( "g(x)=x^2\r<BR>\n" );
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document.write( "f o g (x) is where the x^2 from g is substituted for x in f so f o g (x)=2x^2<BR>\n" );
document.write( "g o f(x) is where the 2x in f is substituted for thee x in g and that is (2x)^2=4x^2.\r<BR>\n" );
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document.write( "so in the above g o f(x) is putting the 2x+3 from f into the x in g<BR>\n" );
document.write( "that makes the answer (2x+3)^2-4. The constants don't change in any instance. </SPAN>\n" );
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