document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=893236>Question 893236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help Please. do not understand question.....Use the intermediate value theorem to determine whether the polynomial function has a zero in the given interval.\r<BR>\n" );
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document.write( "f(x) = 9x^4 - 10x^3- 3x - 9; [-1, 0] \r<BR>\n" );
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document.write( "Answers given:<BR>\n" );
document.write( "   f(-1) = 13 and f(0) = -9; yes  <BR>\n" );
document.write( "   f(-1) = -13 and f(0) = 9; yes  <BR>\n" );
document.write( "   f(-1) = -13 and f(0) = -9; no  <BR>\n" );
document.write( "   f(-1) = 13 and f(0) = 9; no <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 #541253 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=541253\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the value of the function at the two endpoints.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%29=9%28-1%29%5E4-10%28-1%29%5E3-3%28-1%29-9=9%2B10%2B3-9=13 ALIGN=MIDDLE  ALT=\"f%28-1%29=9%28-1%29%5E4-10%28-1%29%5E3-3%28-1%29-9=9%2B10%2B3-9=13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=9%280%29-10%280%29-3%280%29-9=-9 ALIGN=MIDDLE  ALT=\"f%280%29=9%280%29-10%280%29-3%280%29-9=-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Since the value of the function was positive 13 and then became negative 9,  somewhere between x=-1 and x=0, the function had the value of zero. <BR>\n" );
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