document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1135318>Question 1135318</A>: <I><SPAN STYLE=\"word-break: break-all;\">  If f(x) = 2x + 1 and g(x) = x2, what is f ○ g? What is g ○ f? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #752904 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=752904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) = 2x + 1 and g(x) = x^2<BR>\n" );
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document.write( "f o g = 2x^2 +1<BR>\n" );
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document.write( "g o f = (2x + 1)^2 = 4x^2 +4x +1<BR>\n" );
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