document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=741080>Question 741080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x    | 0 | 1 | 2 | 3 | 4<BR>\n" );
document.write( "f(x) | 3 | 4 | 0 | 2 | 1<BR>\n" );
document.write( "g(x) | 2 | 1 | 3 | 4 | 0\r<BR>\n" );
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document.write( "Find each:\r<BR>\n" );
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document.write( "a) f(f(4))<BR>\n" );
document.write( "b) f(g(1))<BR>\n" );
document.write( "c) for what \"x\" is \"g(f(x))=4\"? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451857 by </B><A HREF=/tutors/aboutme.mpl?userid=only4christ2><B>only4christ2(12)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=only4christ2><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=451857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ok....  read the numbers in the parenthesis from the list of x values and follow down to the appropriate letter.  Either f or g\r<BR>\n" );
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document.write( "a) f(4) is 1; and f(1)= 4; so f(f(4)) = 4<BR>\n" );
document.write( "b) g(1) = 1 and f(1) = 4; so f(g(1)) = 4<BR>\n" );
document.write( "c) for what x is g(f(x)) = 4....here, you have to work backwards.\r<BR>\n" );
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document.write( "Start with where g(x) = 4 and notice it is when x = 3<BR>\n" );
document.write( "So, go to where f(x) = 3 and notice it is when x = 0\r<BR>\n" );
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document.write( "So, when x = 0, g(fx)) = 4 <BR>\n" );
document.write( "Proof:\r<BR>\n" );
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document.write( "f(0) = 3; g(3) = 4.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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