| |
| |
1. |
Find the first four terms of the sequence in which a1= -5 and an+1 = an + 1. |
| |
|
A. |
-5, -4, -3, -2 |
B. |
4, 3, 2, 1 |
| |
|
C. |
–4, -3, -2, -1 |
D. |
5, 4, 3, 2 |
| |
|
Hint |
|
| |
2. |
What are the first six terms of the sequence in which a1= 7 and an+1= an - 3? |
| |
|
A. |
1, 2, 7, 9, 12, 17 |
| |
|
B. |
7, 4, 1, -2, -5, -8 |
| |
|
C. |
–3, 7, -8, -2, -5, -8 |
| |
|
D. |
7, -3, 4, 1, 2, -1 |
| |
|
Hint |
|
| |
3. |
Juanita started a savings account with the $200 she received for her birthday. The bank pays 4% interest compounded annually. Find the balance in the account after 4 years. Round the answer to the nearest dollar. |
| |
|
A. |
$216 |
B. |
$234 |
| |
|
C. |
$225 |
D. |
$208 |
| |
|
Hint |
|
| |
4. |
Which of the following is not a recursive formula? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
What is the 21st iterate of the function if x0 = 3. |
| |
|
A. |
3 |
B. |
–1 |
| |
|
C. |
–19 |
D. |
–3 |
| |
|
Hint |
|
|
|