Question 172847
y=x^2+2
when x=0 y=2
when x=+-2 y=+-6
when x=+-3 y=+-11
{{{ graph( 300, 200, -6, 5, -10, 10, x^2 +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 +2).