document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=954473>Question 954473</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Someone please help me with this. Find the average rate of f(x)= 1/2x-3 between x=a and a+h </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #582938 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=582938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the average rate of f(x)= 1/2x-3 between x=a and a+h<BR>\n" );
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document.write( "Average = (change in \"Y\")/(change in \"x\")<BR>\n" );
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document.write( "Aver = [f(a+h)-f(a)] /[a+h - a]<BR>\n" );
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document.write( "f(a+h) = (1/2)(a+h) - 3 = (1/2)a + (1/2)h - 3<BR>\n" );
document.write( "f(a) = (1/2)a - 3<BR>\n" );
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document.write( "Then f(a+h)-f(a) = (1/2)h<BR>\n" );
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document.write( "Ans: Ave = [(1/2)h]/h = 1/2<BR>\n" );
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document.write( "Comment:: Notice that the average is the slope of f(x)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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