Is it a Function? Understanding Relations and Using the Vertical Line Test

What are the objectives of today's lesson?

How can you determine if a relation is a function?

Explain the difference between an input and an output in a function.

Describe how ordered pairs are used to show the relationship between inputs and outputs.

What is a mapping diagram and how does it represent a relation?

What are the three ways to show a relationship between inputs and outputs?

How do you identify ordered pairs in a mapping diagram?

Provide an example of a relation that is not a function and explain why.

What is the vertical line test and how is it used to determine if a relation is a function?

Why is it important to understand the concept of functions in mathematics?