1. Unit 3B – Functions Review TEST MONDAY!

2. Describe the relationship between x and y. XY 0 38 823 1235

3. Which of these data sets represents a function? A B C D

4. Using the mapping method, draw an example of a non-function.

5. Draw two tables, one that represents a function and one that does not.

6. Sketch two graphs, one that represents a function and one that does not.

7. 1.) Which has a greater y-intercept? 2.) Which has a greater rate of change? XY 36 018 19 24.5 32.25

8. Given the linear function below, write an equation that has the same y-intercept, but smaller rate of change. xy -25 10 015 120 225

9. The festival costs $8.00 to get in, plus $3.00 per game. Write a linear equation with a rate of change greater than the festivals.

10. Meijer uses the following equation for the cost per pound of strawberries: y= 1.60x Kroger uses the following table for the cost per pound of strawberries: What is the difference in the price per pound? Xy 00 22.60 45.20 67.80

11. Describe what the motorcycle was doing at each section

12. Sketch a graph of the following: Tom leaves the library and walks home (0 miles) He plays video games, until his friend calls him to come play basketball at the local park next to the library. As soon as he gets to the basketball court his mom calls and tells him to meet her at the neighbors house.

13. Create a table, graph, and equation to model this situation: Your cell phone company charges a monthly fee of $50.00 and $0.10 per text message.