document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756392>Question 756392</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me answer this problem. \r<BR>\n" );
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document.write( "For exercise 123 Find f(x+h)-f(x)<BR>\n" );
document.write( "Problem 123 is: f(x) = 2x^2 + 3x -4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460171 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=460171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> we are given:<BR>\n" );
document.write( "f(x) = 2x^2 + 3x -4<BR>\n" );
document.write( "and we need to find f(x+h) - f(x)<BR>\n" );
document.write( "we know f(x) = 2x^2 +3x -4<BR>\n" );
document.write( "we need to calculate f(x+h) = 2*(x+h)^2 +3*(x+h) -4<BR>\n" );
document.write( "                            = 2*(x^2+2xh+h^2)+3x+3h-4<BR>\n" );
document.write( "                            = 2x^2+4xh+2h^2+3x+3h-4<BR>\n" );
document.write( "now f(x+h) -f(x) =<BR>\n" );
document.write( "2x^2+4xh+2h^2+3x+3h-4-2x^2-3x+4<BR>\n" );
document.write( "4xh+2h^2+3h<BR>\n" );
document.write( "2h^2+4xh+3h<BR>\n" );
document.write( "h*(2h+4x+3)<BR>\n" );
document.write( " </SPAN>\n" );
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