document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=26450>Question 26450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to i write an equation for each relation.  I need help on HOW to find the solution.\r<BR>\n" );
document.write( "\n" );
document.write( "x 1 2 3 4 5<BR>\n" );
document.write( "f(x) 5 7 9 11 13\r<BR>\n" );
document.write( "\n" );
document.write( "can you help me learn the steps. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #14295 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=14295\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sequences like this are easy to do, once you have the step in your head that i am going to show you... the Jon sure-fire method :-)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Look at the F(x) values...notice their increment is by 2 each time. This is the 2times table... 2, 4, 6, 8, 10, just moved a bit.\r<BR>\n" );
document.write( "\n" );
document.write( "So, the x2 table is 2n where n is 1,2,3,4,5, etc\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First term... is 5. First term of the x2 table is 2. How do we get from 2 to 5? by adding 3.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So formula is 2n+3.. check with say 5th term: 2(5)+3 is 10+3 --> 13. This is the correct value!\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Another<BR>\n" );
document.write( "2 5 8 11 14.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Difference is 3..so x3 table ie 3n\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First term is 2... x3 table has 3. How do we get from 3 to 2? subtracting 1. So formula is 3n-1. Check say 5th term... Done!\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Does that help?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "jon.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );