The definition of an inverse function is a function that undoes the action of another function (or reverses the action of another function). So yes, it is when the domain and range values are …

For a function to have an inverse, the relationship must be that there is a 1-to-1 relationship between its input values and its output values. A quadratic equation doesn't have an inverse …

Learn what the inverse of a function is, and how to evaluate inverses of functions that are given in tables or graphs.

The inverse trigonometric functions We already know about inverse operations. For example, addition and subtraction are inverse operations, and multiplication and division are inverse …

Sal explains that if f (a)=b, then f ⁻¹ (b)=a, or in other words, the inverse function of f outputs a when its input is b.

Not all functions have inverses. Those who do are called "invertible." Learn how we can tell whether a function is invertible or not.

Learn what the inverse of a function is, and how to evaluate inverses of functions that are given in tables or graphs.

In the first inverse function video, I talked about how a function and their inverse-- they are the reflection over the line y equals x. So where's the line y equals x here?

Practice finding the formula of the inverse function of a given linear function.

A function will map from a domain to a range and you can think of the inverse as mapping back from that point in the range to where you started from. So one way to think about it is, we want …