👉 A discontinuity is a point where two or more different functions have values that are not equal. This can occur in calculus, physics, and other sciences when two or more variables are related by an equation or expression. For example: - f(x) = x^2 + 3x - 4 has a discontinuity at x = -1. - The function g(x) = x^2 + 3x - 4 is continuous everywhere except at x = -1, where
