document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=51282>Question 51282</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the functions f(x) = 4x^2 - 4<BR>\n" );
document.write( "and g(x) = -8x^2 + 4, <BR>\n" );
document.write( "find 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 #34211 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=34211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Either:<BR>\n" );
document.write( "g(-3) = -8(-3)^2 + 4 = -8(9) + 4 = -72 + 4 = -68<BR>\n" );
document.write( "f(-68) = 4(-68)^2 - 4 = 4(4624) - 4 = 18,492<BR>\n" );
document.write( "Or:<BR>\n" );
document.write( "f(g) = 4(-8x^2 + 4)^2 - 4<BR>\n" );
document.write( "f(g) = 4(64x^4 - 64x^2 + 16) - 4<BR>\n" );
document.write( "f(g) = 256x^4 - 256x^2 + 64 - 4 = 256x^4 - 256x^2 + 60<BR>\n" );
document.write( "f(3) = 256(3)^4 - 256(3)^2 + 60 = 20,736 - 2,304 + 60 = 18,492 </SPAN>\n" );
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