T456

a = -0.5 (slider from -5 to 5)
f(x) = If[0 ≤ x ≤ 2, (a * x) + 1, 0]
b = Integral(f, 0, 2)
F(x) = If[x < 0, 0, If[0 ≤ x ≤ 2, (-1 / 4 * x^(2)) + x, 1]]
p = 1.03 (slider from -2 to 3, step 0.01)
c = Integral(f, 0, p)
P: (p, F(p))