| |
| |
1. |
Approximate 5(31.8) to the nearest hundredth. |
| |
|
A. |
36.12 |
B. |
29.16 |
| |
|
C. |
32.90 |
D. |
27.42 |
| |
|
Hint |
|
| |
2. |
Which is the graph of y = 2.5x? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
What is the y-intercept of the graph of y = 4x - 2? |
| |
|
A. |
-2 |
B. |
 |
| |
|
C. |
-1 |
D. |
0 |
| |
|
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 = 20(0.53)d, where y is the number of phone calls after d days. On what day should she expect to have 3 calls? |
| |
|
A. |
2 |
B. |
10 |
| |
|
C. |
15 |
D. |
3 |
| |
|
Hint |
|
| |
5. |
Given the coordinates (0, 3), (1, 11), (2, 19), (3, 27), would a graph of these points exhibit exponential behavior? |
| |
|
A. |
yes, exponential behavior only |
B. |
no, it would display linear behavior |
| |
|
C. |
no, it would not display exponential or linear behavior |
D. |
yes, exponential and linear behavior |
| |
|
Hint |
|
|
|