Question 861878
<pre><font face = "consolas" color = "indigo" size = 3><b>
Hi
{{{drawing(300,300,  -30,30,-30,30,grid(1), blue(line(3,30,3,-30)) ,
circle(0, 0,0.2),
graph( 300, 300, 
-30,30,-30,30,0, (2x+1)/(x-3)) )}}}
{{{drawing(300,300,  -30,30,-30,30,grid(1), blue(line(-2,30,-2,-30)) ,
circle(0, 0,0.2),
graph( 300, 300, 
-30,30,-30,30,0, x^2/(x+2)) )}}}