document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21886>Question 21886</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all relative extrema of the function:\r<BR>\n" );
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document.write( "f(x) = 1/3 x^3 - 4x + 9\r<BR>\n" );
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document.write( "I could not find simlar at all - any help is appreciated! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #12226 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=12226\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Methods depend on what math you are studying.<BR>\n" );
document.write( "If calculus:<BR>\n" );
document.write( "1st derivative is x^2-4<BR>\n" );
document.write( "find the zeroes which are +2 and -2<BR>\n" );
document.write( "2nd derivative is 2x<BR>\n" );
document.write( "When x=2, 2x>0 so relative minimum at x=2<BR>\n" );
document.write( "When x=-2, 2x<0 so relative maximum at x=-2\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
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