document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=377906>Question 377906</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to do some homework regarding introduction to functions.  I have to evaluate the function at the specified value of the independent variable and simplify.  <BR>\n" );
document.write( "Can you please explain?  \r<BR>\n" );
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document.write( "g*x=x^2-4/4x  ( over 4x)   ; g*(n-4) I hope I put that in right.  \r<BR>\n" );
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document.write( "I am so confused about these.  Thanks so much!\r<BR>\n" );
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document.write( "Denise Bissell  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #268750 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=268750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Replace every x you see in the rational function with (n - 4) and do the math.\r<BR>\n" );
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document.write( "g(x) = (x^2-4)/4x ; g(n-4) \r<BR>\n" );
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document.write( "Let every x you see in the function = (n - 4)\r<BR>\n" );
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document.write( "g(n - 4) = [(n - 4)^2 - 4)]/(4(n - 4)\r<BR>\n" );
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document.write( "Can you take it from here?\r<BR>\n" );
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document.write( " </SPAN>\n" );
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