Question 842198
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Might recommend the FREE graph software at
http://www.padowan.dk.com
graph of {{{y=(3x /( x^2+9))}}}
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), 
graph( 300, 300, -6, 6, -6, 6,0, (3x /( x^2+9)) ))}}}