Question 842227
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
graph of curve f(x)= -(x-4)^2 below:
{{{drawing(300,300, -20,20,-20,20, 
 grid(1),
circle(0, -16,0.6),
graph( 300, 300, -20,20,-20,20,0,-(x-4)^2 ))}}}