nada = 0
g(x) = x + nada
f(x) = x + nada
P = Point(xAxis)
sPfx = Segment((0, f(x(P))), (x(P), f(x(P))))
sPfy = Segment((x(P), 0), (x(P), f(x(P))))
a = 1 (slider from -5 to 6, step 1)
b = 1 (slider from -5 to 6, step 1)
c = 1 (slider from -5 to 6, step 1)
d = 1 (slider from -5 to 6, step 1)
T1: "a=" + a
T2: "b=" + b
T3: "c=" + c
T4: "d=" + d
ag = 1
bg = 1
cg = 1
dg = 1
Tf: "f(x)=" + f
h(x) = g(x)