document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=810537>Question 810537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if f(x)=3x^2-2x-1 and g(x)=x^2 find (g*f)(x)\r<BR>\n" );
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document.write( "a. 9x^4 - 12x^3 - 2x^2 + 4x + 1\r<BR>\n" );
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document.write( "b. 9x^4 - 12x^3 - 8x^2 + 4x + 1\r<BR>\n" );
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document.write( "c. 9x^4 - 6x^3 - 6x^2 + 2x + 1\r<BR>\n" );
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document.write( "d. 9x^4 - 6x^2 + 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488222 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=488222\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if f(x)=3x^2-2x-1 and g(x)=x^2 find (gof)(x)<BR>\n" );
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document.write( "Note:: You used the wrong symbol for composition.<BR>\n" );
document.write( "* is for multiplication ; o is for composition.<BR>\n" );
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document.write( "gof(x) = g[f(x)] = g[3x^2-2x-1] = (3x^2-2x-1)^2<BR>\n" );
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document.write( "= 9x^4-6x^3-3x^2-6x^3+4x^2+2x-3x^2+2x+1<BR>\n" );
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document.write( "= 9x^4 -12x^3 -2x^2 + 4x +1\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "a. 9x^4 - 12x^3 - 2x^2 + 4x + 1 <BR>\n" );
document.write( "b. 9x^4 - 12x^3 - 8x^2 + 4x + 1 <BR>\n" );
document.write( "c. 9x^4 - 6x^3 - 6x^2 + 2x + 1 <BR>\n" );
document.write( "d. 9x^4 - 6x^2 + 1<BR>\n" );
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