document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=122559>Question 122559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find and simplify f(a+h)-f(a)/h (that is all over h by the way not just f(a) but the f(a+h) part too.  (h cannot be 0) for the function f(x)=2-8x^2\r<BR>\n" );
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document.write( "thank you so much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90025 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=90025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find and simplify f(a+h)-f(a)/h (that is all over h by the way not just f(a) but the f(a+h) part too. (h cannot be 0) for the function f(x)=2-8x^2 <BR>\n" );
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document.write( "f(a+h) = 2 - 8(a+h)^2 = 2-8(a^2+2ah++h^2)<BR>\n" );
document.write( "= 2 -8a^2 -16ah -9h^2<BR>\n" );
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document.write( "f(a) = 2 -8a^2<BR>\n" );
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document.write( "Subtracting f(a) from f(a+h) you get;<BR>\n" );
document.write( "-16ah - h^2<BR>\n" );
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document.write( "Dividing that result by h you get:<BR>\n" );
document.write( "-16a -h<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "StanH. </SPAN>\n" );
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