a = 0.6 (slider from -5 to 5, step 0.1)
b = -2.3999999999999995 (slider from -10 to 10, step 0.1)
c = 1.4000000000000004 (slider from -10 to 10, step 0.1)
g(x) = a * x^(2.0) + b * x + c
d = -1.2 (slider from -10 to 10, step 0.1)
e = 4.6 (slider from -10 to 10, step 0.1)
f = Function(g(x), d, e)
tekst1 = Text("Her ændrer vi koefficienterne", (5.0, 8.0))
tekst2 = Text("Her ændrer vi koefficienterne med disse skydere", (6.0, 4.5))
tekst3 = Text("Her angiver d og e definitionsmængde for funktionen", (-3.0, -4.5))