Learning Guide Learning Guide

4.1 Graphing in Two Dimensions • 107Maple draws almost vertical lines at the singularities, so you shoulduse the discont=true option.> plot( tan(x), x=-2*Pi..2*Pi, y=-4..4, discont=true );y4321–6 –4 –2 0 2 4 6–1x–2–3–4Multiple FunctionsTo graph more than one function in the same plot, give plot a list offunctions.> plot( [ x, x^2, x^3, x^4 ], x=-10..10, y=-10..10 );1086y42–10 –8 –6 –4 –2–2 0 2 4 6 8 10x–4–6–8–10> f := x -> piecewise( x=0, 1+x^2 );f := x → piecewise(x < 0, cos(x), 0 ≤ x, 1 + x 2 )> plot( [ f(x), diff(f(x), x), diff(f(x), x, x) ],> x=-2..2, discont=true );