f: 4
g: x = (-f)
Liste1 = Sequence(x = k, k, -4, 30, 1)
c: y^(2) = (16 * x)
k = 1
Liste2 = Sequence((x - f)^(2) + y^(2) = m^(2), m, 0, 28, 1)
Liste3 = Sequence(((-f) + x)^(2) + y^(2) = ((-s) + x)^(2), s, 8, 40, 4)
Liste4 = Sequence(((-f) + x)^(2) + y^(2) = (s + x)^(2), s, 0, 20, 4)
d: ((-f) + x)^(2) + y^(2) = (-20 + x)^(2)