document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980208>Question 980208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> good day\r<BR>\n" );
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document.write( "sorry could not find Calculus in the list. It's differentiation.\r<BR>\n" );
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document.write( "Calculate the turning points\r<BR>\n" );
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document.write( "3x³ - 6x² -9 = 0\r<BR>\n" );
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document.write( "The answers are (0:9) and (4/3:-12.55)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601399 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=601399\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> derivative of 3x³ - 6x² -9 is<BR>\n" );
document.write( "9x^2 - 12x =<BR>\n" );
document.write( "3x*(3x - 4)<BR>\n" );
document.write( "now set it = to 0 and solve<BR>\n" );
document.write( "3x * (3x - 4) = 0 and<BR>\n" );
document.write( "we have x = 0 or x = 4/3<BR>\n" );
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document.write( "turning points are determined by substituting for x in original equation<BR>\n" );
document.write( "turning points are (0, -9) which is local max and (-4/3, -113/9) which is local min\r<BR>\n" );
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