# Which Model Makes Sense?

### Resources for this lesson:

You will use your Algebra II Journal on this page.

> Glossary

> Calculator Resources

> Teacher Resources: Instructional Notes

In this lesson, you will apply what you have learned to find a model of best fit for data sets. You will justify your model using residuals and/or the correlation coefficient (if a linear model).

Before you explore the first set of data, reflect on your understanding of the following functions:

- Linear Functions
- Quadratic Functions
- Exponential Functions

## Algebra II Journal: Reflection 1

Respond to the following in your Algebra II Journal . Submit your response to your teacher before moving to the next page.

- What are the key features of each function type?
- What are some situations that are typically modeled by each function family?