document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1179883>Question 1179883</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose f(x) − f(x+1) = 3x2 and f(3) = 48, determine the value of f(5)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #809481 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(574)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=809481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We are given that f(x)-f(x+1)=3x^2<BR>\n" );
document.write( "f(3)=48<BR>\n" );
document.write( "Put x=3<BR>\n" );
document.write( "We get f(3)-f(4)=3(3)^2<BR>\n" );
document.write( "48-f(4)=27<BR>\n" );
document.write( "f(4)=48-27=21<BR>\n" );
document.write( "Put x=4 in the original equation<BR>\n" );
document.write( "We get f(4)-f(5)=3(4)^2<BR>\n" );
document.write( "21-f(5)=48<BR>\n" );
document.write( "f(5)=21-48=-27<BR>\n" );
document.write( "The value of f(5) is -27. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );