document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=557167>Question 557167</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the abscissae of the maxima, minima and inflection points. <BR>\n" );
document.write( "y = x^4 + 6x^3 - 5 \r<BR>\n" );
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document.write( "The answer is supposed to be: Minimum at x point = -9/2, inflection points at x=0 and x=-3 \r<BR>\n" );
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document.write( "Help me please. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #362484 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=362484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine the abscissae of the maxima, minima and inflection points. <BR>\n" );
document.write( "y = x^4 + 6x^3 - 5<BR>\n" );
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document.write( "y' = 4x^3 + 18x^2 = 0<BR>\n" );
document.write( "--> min @ x = -9/2<BR>\n" );
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document.write( "y'' = 12x^2 + 36x = 0<BR>\n" );
document.write( "--> inflections @ x = 0, -3<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "The answer is supposed to be: Minimum at x point = -9/2, inflection points at x=0 and x=-3 \r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );