Question 903978
<pre>
{{{drawing(400,320,-3,2,-1,3,graph(400,320,-3,2,-1,3),

circle(-2,0,0.05),circle(-2,0,0.03),circle(-2,0,0.01),

circle(1,1.732,0.05),circle(1,1.732,0.03),circle(1,1.732,0.01),

green(line(0,0,0,2),
circle(0,0,0.07),circle(0,0,0.05),circle(0,0,0.03),circle(0,0,0.01),

circle(0,2,0.07),circle(0,2,0.05),circle(0,2,0.03),circle(0,2,0.01)


),





arc(0,0,4,-4,60,180) )}}} 

The graph is an arc of a circle with center (0,0) and radius 2.
Its range is the green line [0,2] extending from 0 to 2, 
inclusive, along the y-axis, and includes the end points, the 
green line [0,2] in interval notation or {y|0 &#8804; y &#8804; 2} in 
set-builder notation.

Edwin</pre>