What is the definition of a function

The video tutorial explains the concept of relations and functions, highlighting the difference between them. It covers the domain and range, and provides examples to illustrate when a relation is a function. The tutorial also discusses ordered pairs and their role in determining functions, and concludes with a graphical representation to identify functions.

Explain the difference between domain and range.

What is the definition of a function as described in the text?

What must be true for a relation to be classified as a function?

Provide an example of a non-function based on the text.

What is the significance of ordered pairs in understanding functions?

How can you determine if a graph represents a function?

Summarize the key characteristics that differentiate a function from a non-function.