Question 402091
at y1, enter: x-(2000x^2)/9537
:
set the scale:
xmin -2
xmax 5
xsc .5
ymin -1
ymax 2
ysc .5
:
It should look like this: 
{{{ graph( 300, 200, -2, 5, -1, 2, x-(2000x^2)/9537 ) }}}