document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813662>Question 813662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the average rate of change for the function f(x)=x^2+2x from 5 to 9 using f(b)-f(a)/b-a. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489857 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=489857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine the average rate of change for the function f(x)=x^2+2x from 5 to 9 using f(b)-f(a)/b-a.<BR>\n" );
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document.write( "f(x)=x^2+2x<BR>\n" );
document.write( "Find f(9) by subbing 9 for each x<BR>\n" );
document.write( "Do the same for f(5)<BR>\n" );
document.write( "Subtract to get f(9) - f(5)<BR>\n" );
document.write( "Divide by (9-5) = 4<BR>\n" );
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