Use the composition of two functions, including the necessary restrictions on the domain, to determine if the functions are inverses of each other

What's the Inverse of a Relation?

Did you know there's something called the inverse of a relation? Watch this tutorial to learn the definition for the inverse of a relation and to see an example!
What is a One-to-One Function?

What is a one-to-one function? What qualities make a function one-to-one? This tutorial is a great introduction and explanation for one-to-one functions!