| |
| |
1. |
Approximate 5(31.8) to the nearest hundredth. |
| |
|
A. |
32.90 |
B. |
27.42 |
| |
|
C. |
36.12 |
D. |
29.16 |
| |
|
Hint |
|
| |
2. |
Which is the graph of y = 2.5x? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
Use a graph in order to approximate  . |
| |
|
A. |
133.4 |
B. |
0.0089 |
| |
|
C. |
0.0045 |
D. |
112.6 |
| |
|
Hint |
|
| |
4. |
A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)d, where y is the number of phone calls after d days. How many phone calls should she expect after a week? |
| |
|
A. |
2 |
B. |
23 |
| |
|
C. |
28 |
D. |
17 |
| |
|
Hint |
|
| |
5. |
Given the coordinates (0, 3), (1, 11), (2, 19), (3, 27), would a graph of these points exhibit exponential behavior? |
| |
|
A. |
no, it would display linear behavior |
B. |
yes, exponential and linear behavior |
| |
|
C. |
no, it would not display exponential or linear behavior |
D. |
yes, exponential behavior only |
| |
|
Hint |
|
|
|