# 1.4  Plots
# Art Belmonte, Summer 1996
# These are the shaded gray examples which appear in Section 1.4.
# (In-line plots have been removed to conserve disk space.)
> restart; plot((2*x^2 - 4) / (x+1), x=-6..6);
> plot((2*x^2 - 4) / (x+1), x=-6..6, y=-20..20, discont=true);
> plot((2*x^2 - 4) / (x+1), x=-50..50, y=-100..100);
> plot({x^2, x^3}, x=-2..3);
>