1. Chapter 9 Unit B
Linear Modeling

2. Essential Questions How do we use linear modeling?
What are the key components of a linear model?

3. How much do you remember?
____ points make a line
Give one point, we need to know the ___ to be able to graph the line
Given two points, slope = ?
The x-intercept is when_____ and the y-intercept is when _____

4. How much do you remember?

5. Da Pineapple Store
Da Pineapple Store near the airport sells fresh airport ready pineapple for visitors to take to the mainland. The store owner wanted to see how much people are willing to pay for these pineapples, so he changed the price over a period of time and recorded the following table:

6. Da Pineapple Store

7. Da Pineapple Store
Is this a linear model? If so, create a function that models the data
Sketch a graph of the data
What is the x-intercept? What does the x- intercept mean in context?
What is the y-intercept? Does this make sense in context?

8. Tow Truck Service

9. Tow Truck Service

10. $299/month for 36 month lease
Lessee responsible for maintenance, wear/tear, and mileage charge $0.15 per mile over 10,000 mile per year
Total of $507 due at lease inception (includes 1st month payment & cost reduction of $208)

11. $299/month for 36 month lease
**Assume you don’t go over the 10,000 mile limit**
Write a linear function to model this data
Graph it on Desmos and sketch a copy of the graph in your notes
What is the domain? What is the range?