👉 Learn how to find the value that makes a function continuous. When given a piecewise function which has a hole at some ...

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

Of course this produces the same derivative values as the usual limit-based definitions of the derivative. What makes this possibly preferable to the usual formulas, though, is that it arises out of ...