document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100950>Question 1100950</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the problem f(x)=x-3 and g(x)=x^2 +1<BR>\n" );
document.write( "A) what is (f&#8728;g)(-1)?<BR>\n" );
document.write( "B) what is (g&#8728;f)(x)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715513 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=715513\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  For the problem f(x)=x-3 and g(x)=x^2 +1<BR>\n" );
document.write( "A) what is (f&#8728;g)(-1)?<BR>\n" );
document.write( "fog(x) = f[g(x)] = f[x^2+1] = x^2+1-3 = x^2-2<BR>\n" );
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document.write( "B) what is (g&#8728;f)(x)?<BR>\n" );
document.write( "gof(x) = g[f(x] = g[x-3] = (x-3)^2+1 = x^2-6x+9+1 = x^2-6x+10<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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