document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=447989>Question 447989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm supposed to evaluate this function and I can't figure it out. \r<BR>\n" );
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document.write( "f(x)=4x^2-1/x^2  (a) x=5  (b) x=-5<BR>\n" );
document.write( "I keep coming up with <BR>\n" );
document.write( "(2x^2-1)(2x^2+1)/x^2<BR>\n" );
document.write( "and it's wrong. Can someone help please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #308341 by </B><A HREF=/tutors/aboutme.mpl?userid=rwm><B>rwm(914)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rwm><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=308341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You aren't supposed to factor it. You are supposed to evaluate it. <BR>\n" );
document.write( "Plug 5 in for x and find f(5) <BR>\n" );
document.write( "then plug in -5 for x and find f(-5) </SPAN>\n" );
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