f(x, y) = (sin(x) * cos(y)) + ℯ^((-x^(2)) + (2 * y))
g(x, y) = (x^(2) + y^(2)) / (x^(3) - y + x)
p = 1.2 (slider from -5 to 5)
q: z = p
eq1 = IntersectPath(q, f)