document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=648410>Question 648410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x         f(x) <BR>\n" );
document.write( "0         20<BR>\n" );
document.write( "2         18<BR>\n" );
document.write( "4         16<BR>\n" );
document.write( "8         12\r<BR>\n" );
document.write( "\n" );
document.write( "Write a function rule for each table. \r<BR>\n" );
document.write( "\n" );
document.write( "Im confused because i dont know how to figure out the equation. I know it starts as f(x)=________ but i dont know how to solve it. Pls help  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406675 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=406675\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The differences are uniform --> linear relationship<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Pick any 2 pairs<BR>\n" );
document.write( "(0,20) & (8,12)<BR>\n" );
document.write( "Find the equation of the line thru the 2 points.<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "f(x) = 20 - x is the simplest. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );