Exponential functions

1. Get The Facts, Jack!
Also known as…..
Do you know your exponential facts?
Play this with a friend and see who
gets the best score!

2. Is this an exponential
function?
y = -5x -32

3. Is this an exponential
function?
y = -5x -32
NOPE!

4. Is this an exponential
function?
𝑦 = 𝑎𝑏 𝑥

5. Is this an exponential
function?
𝑦 = 𝑎𝑏 𝑥

6. Is this the graph of
𝑓 𝑥 = 2(4) 𝑥
?

7. Is this the graph of
𝑓 𝑥 = 2(4) 𝑥
?
No way!

8. Graphs of exponential
functions are curves.
True or False

9. Graphs of exponential
functions are curves.
True or FalseTrue

10. In the tables of exponential function,
you ________by the same amount
each time to get the next number.
a. Add b. Multiply c. Subtract

11. In the tables of exponential function,
you ________by the same amount
each time to get the next number.
a. Add b. Multiply c. Subtract

12. Write an exponential equation that models this
situation below:
A hamster population doubles each day. You
decide to chart its growth. When you begin
there are 15 hamsters.
A. 15(2) 𝑥
B. 2(15) 𝑥
C. y = 2x + 15

13. Write an exponential equation that models this
situation below:
A hamster population doubles each day. You
decide to chart its growth. When you begin
there are 15 hamsters.
A. 15(2) 𝑥
B. 2(15) 𝑥
C. y = 2x + 15

14. What do you get when you
evaluate
𝑓 2 for 𝑓(𝑥) = 3 𝑥
A. 6 B. 5 C. 9

15. What do you get when you
evaluate
𝑓 2 for 𝑓(𝑥) = 3 𝑥
A. 6 B. 5 C. 9

16. http://upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Exponential_function.svg/300px-Exponential_function.svg.png
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