function:y=-x^2+5:position=0,280:color=orange:latex=f(x);
function:y=x^4+3x^2+2:position=210,60:color=blue:latex=g(x);
points:(4,-11),(-4,-11),(0,5):color=orange;
points:(0,2),(-2,30),(2,30):color=blue;
window:xmin=-10,xmax=10,ymin=-30,ymax=40:;