> f3:= x -> sqrt(x - 2);

> g3:= x -> x^2 + 2;

> a3:= plot(f3(x), x = 2..4, thickness=2, color = black):

> b3:= plot(g3(x), x = 0..4, thickness=2, color = red):

> c3:= plot(x, x = 0..4, thickness=2, color = blue):

> d3:= plot([2,t,t = 0..6], thickness=2, color = brown):

> e3:= textplot([3,14,`f3`], thickness=2, color = magenta):

> h3:= textplot([3,4.3,`y=x`], thickness=2, color =magenta):

> i3:= textplot([3.5,-1.5,`g3`], thickness=2, color = magenta):

> display({a3,b3,c3,d3,e3,h3,i3});