document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=419704>Question 419704</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me out!\r<BR>\n" );
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document.write( "Let f(x)=x to the second power -16 and g(x)=4-x.<BR>\n" );
document.write( "Find (fg)(-3).<BR>\n" );
document.write( "(fg)(-3)= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #293456 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=293456\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x)=x to the second power -16 and g(x)=4-x.<BR>\n" );
document.write( "Find (fg)(-3).\r<BR>\n" );
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document.write( "f(x) = x^2 - 16<BR>\n" );
document.write( "g(x) = 4-x\r<BR>\n" );
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document.write( "fg(x) = f(x) * g(x)\r<BR>\n" );
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document.write( "that becomes fg(x) = (x^2 - 16) * (4-x)\r<BR>\n" );
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document.write( "fg(-3) becomes ((-3)^2 - 16) * (4 - (-3))\r<BR>\n" );
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document.write( "you simply replace x with (-3) in the equation.\r<BR>\n" );
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document.write( "solve that to get fg(-3) = (-7) * (7) = (-49)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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