👉 Learn how to find the removable and non-removable discontinuity of a function. A function is said to be discontinuous at a ...

👉 Learn how to graph piecewise functions. A piecewise function is a function which has more than one sub-function for ...

Continuity or discontinuity of probability density functions of data often plays a fundamental role in empirical economic analysis. For example, for identification and inference of causal effects in ...