document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=725791>Question 725791</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use f(x) = 4x^2  and g(x) = x-8/2 to evaluate the expression.\r<BR>\n" );
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document.write( "a.) fog(4)<BR>\n" );
document.write( "b.) gof (-3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #444311 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=444311\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use f(x) = 4x^2 and g(x) = x-8/2 to evaluate the expression. <BR>\n" );
document.write( "a.) fog(4)<BR>\n" );
document.write( "=f[g(x)]<BR>\n" );
document.write( "=f[(x-8)/2]<BR>\n" );
document.write( "=f[4*((x-8)/2)^2]<BR>\n" );
document.write( "=f[4*(x^2-16x+64)/4]<BR>\n" );
document.write( "=16-64+64<BR>\n" );
document.write( "=16<BR>\n" );
document.write( "b.) gof (-3)<BR>\n" );
document.write( "=g[f(x)]<BR>\n" );
document.write( "=g[4x^2]<BR>\n" );
document.write( "=(4x^2-8)/2)<BR>\n" );
document.write( "=4(x^2-2)/2<BR>\n" );
document.write( "=2(x^2-2)<BR>\n" );
document.write( "=2(9-2)<BR>\n" );
document.write( "=14 </SPAN>\n" );
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