document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040505>Question 1040505</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f (x) = 4x^2 + 9 and g(x) = x – 3\r<BR>\n" );
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document.write( "(a) Find the composite function ( f o g)(x) and simplify. Show work.\r<BR>\n" );
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document.write( "(b) Find ( f o g ) (&#8722;1) . Show work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #655368 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=655368\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f (x) = 4x^2 + 9 and g(x) = x – 3 <BR>\n" );
document.write( "(a) Find the composite function ( f o g)(x) and simplify. Show work.<BR>\n" );
document.write( "fog(x) = f[g(x)] = f(x-3) = 4(x-3)^2+9 = 4(x^2-6x+9)+9 = 4x^2 - 24x + 45<BR>\n" );
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document.write( "(b) Find ( f o g ) (&#8722;1) . Show work.<BR>\n" );
document.write( "f[g(-1)] = f(-1-3) = f(-4) = 4(-4)^2+9 = 64+9 = 73<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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