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13.2

Activity

Interrogating Function Representations

Consider the graph of and the corresponding table.

0 3

1 6

2 12
1. Using the first two points, what is the growth factor?
2. Using the second two points, what is the growth factor?
3. Where do you see this growth factor in the equation?
4. Where do you see the growth factor on the graph?
5. What is the vertical intercept of the graph?
6. How can you tell from the equation that this is the vertical intercept?
Consider the graph of and corresponding table.

0 8

1 4

2 2
1. Using the first two points, what is the growth factor?
2. Using the second two points, what is the growth factor?
3. Where do you see this growth factor in the equation?
4. Where do you see the growth factor on the graph?
5. What is the vertical intercept of the graph?
6. How can you tell from the equation that this is the vertical intercept?

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