Relations and Functions

The video tutorial explains the concept of functions, distinguishing them from general relations. It covers various methods to determine if a relation is a function, including ordered pairs, tabular data, algebraic rules, arrow diagrams, and graphical representation using the vertical line test. Examples are provided to illustrate each method, emphasizing the importance of unique mappings from domain to range.

Describe the relationship between the domain and range of a function.

What happens when a relation has two different images for the same element in the domain?

How does the concept of unique images relate to the definition of a function?