document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4521>Question 4521</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "a) (g o f)(x)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "b) (f * g)(x) -- the o is colored in.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "c) (f+g)(2)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "d) (f-g)(3)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2117 by </B><A HREF=/tutors/aboutme.mpl?userid=glitzgirl_14><B>glitzgirl_14(11)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=glitzgirl_14><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=2117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=x^2                  g(x)=2x+1\r<BR>\n" );
document.write( "\n" );
document.write( "A.) g(f(x))= 2(x^2)+1               (g o f)(x)=2x^2+1\r<BR>\n" );
document.write( "\n" );
document.write( "B.) x^2(2x+1)     2x^3+x^2\r<BR>\n" );
document.write( "\n" );
document.write( "C.) x^2+2x+1\r<BR>\n" );
document.write( "\n" );
document.write( "D.) x^2-2x+1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );