document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=973837>Question 973837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the average rate of change of h(x)=-2x^4+21x^2-9 between x=-2 and x=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595883 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=595883\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the average rate of change of h(x)=-2x^4+21x^2-9 between x=-2 and x=4<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "h(4) = -2*256 + 21*16 - 9 = -185<BR>\n" );
document.write( "h(-2)= -2*16 + 21*4 - 9 = 43<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(-185 - 43)/6<BR>\n" );
document.write( "= -38 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );