#### Plot demo# Have x^2 as base and move it -1 and +1 on the x axis.#### Make from x a variablex=var('x')# Create plot of x^2p1=plot(x^2,rgbcolor=(1,0,0))# Move x^2 one left and one rightp2=plot((x-1)^2,rgbcolor=(0,1,0))p3=plot((x+1)^2)# Merge the 3 plotsshow(p1+p2+p3)