a(x, y) = (-20 * (abs(x + 1 / 2) + abs(x - 1 / 2) - 1)) + sgn(sqrt(7 - y) + sqrt(y + 7))
b(x, y) = (-20 * (abs(y - 7) + abs(y - 6) - 1)) + sgn(sqrt(5 - x) + sqrt(x + 4))
c(x, y) = (20 * (x - y + 11 - abs(x - y + 11))) + (sgn(sqrt((-x) - 4) + sqrt(x + 5)) + sgn(sqrt(7 - y) + sqrt(y - 6))) / 2
d(x, y) = (-20 * (abs(y + 1 / 2) + abs(y - 1 / 2) - 1)) + sgn(sqrt(x + 7) + sqrt((-x) - 5))
f(x) = (1 / 5 * x^(2)) - 5
e(x, y) = (-20 * (abs(y - f(x) + 1 / 2) + abs(y - f(x) - 1 / 2) - 1)) + sgn(sqrt(x + 5) + sqrt(7 - x))
A = Point(xAxis)
B = Point(yAxis)
C = Point(xAxis)
p = Plane(A, B, C)
eq1 = IntersectPath(p, c)
eq2 = IntersectPath(p, b)
eq3 = IntersectPath(p, a)
eq5 = IntersectPath(p, e)
eq4 = IntersectPath(p, d)