x,y=var("x,y")
h=2
k=3
c=1
R=10
intervalo=[x,h-R,h+R]
f(x)=x**2
g(x)=c*f(x-h)+k
show("gráfica de y=",g(x))
grafica=plot(g,intervalo)
centro = point((h,k), color="red", size="26")
L1=line( [ (h, k-R), (h, k+R) ], color="green", linestyle="-.")
L2=line( [ (h-R, k), (h+R, k) ], color="purple", linestyle="-." )
(grafica+centro+L1+L2).show(ymin=k-R, ymax=k+R)