f = Function(-(0.08) * (x - 10.5)^(2.0) + 7.3, 4.5, 12.15)
g = Function(-(0.06) * (x - 11.75)^(2.0) + 7.25, 12.15, 16.5)
h = Function(-(0.05) * (x - 8.75)^(2.0) + 7.7, 12.15, 16.2)
p = Function(-(0.1) * (x - 10.0)^(2.0) + 7.5, 12.15, 16.0)