document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=622794>Question 622794</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help I'm stuck with this.\r<BR>\n" );
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document.write( "Find the average rate of change for the function between the given values.\r<BR>\n" );
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document.write( "f(x)=x^2+4x; from 4 to 9\r<BR>\n" );
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document.write( "I come up with 13 but not sure if thats right </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #391626 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=391626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the average rate of change for the function between the given values.\r<BR>\n" );
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document.write( "f(x)=x^2+4x; from 4 to 9\r<BR>\n" );
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document.write( "I come up with 13 but not sure if thats right<BR>\n" );
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document.write( "f(9) = 81 + 36 = 117<BR>\n" );
document.write( "f(4) = 16 + 16 = 32<BR>\n" );
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document.write( "Avg = (f(9) - f(4))/(9 - 4) = (117 - 32)/5<BR>\n" );
document.write( "= 17<BR>\n" );
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