document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153478>Question 153478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given the function f(x) = - 4x find the  AVERAGE RATE of CHANGE  of  f from  -4 to 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112978 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=112978\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given the function f(x) = - 4x find the  AVERAGE RATE of CHANGE  of  f from  -4 to 1<BR>\n" );
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document.write( "Average = [f(1)-f(-4)]/[1--4]<BR>\n" );
document.write( "Average = [-4 - 16] / [1+4] = -20/5 = -4<BR>\n" );
document.write( "Notice that the answer is the slope of y = -4x<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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