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1. |
What are the first six terms of the sequence in which a1= 7 and
an+1= an - 3? |
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A. |
7, -3, 4, 1, 2, -1 |
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B. |
1, 2, 7, 9, 12, 17 |
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C. |
7, 4, 1, -2, -5, -8 |
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D. |
–3, 7, -8, -2, -5, -8 |
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Hint |
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2. |
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. |
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A. |
$225 |
B. |
$216 |
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C. |
$208 |
D. |
$234 |
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Hint |
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3. |
What is an example of a recursive formula whose first three terms are 3, 6, and 9? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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4. |
Dave and Nick started out with a garden of 5 tomatoes. Each week, they grew three times as many tomatoes as the week before. How many tomatoes an do they grow in the nth week? |
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A. |
3an-1 |
B. |
5 + 3n |
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C. |
3 + an -1 |
D. |
3n |
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Hint |
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5. |
Cody and Earl started their first week with a garden of 20 tomatoes. Each week, they grew three times as many tomatoes as they had at their home. If they eat 10 tomatoes per week, how many tomatoes will be grown in the fifth week? |
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A. |
150 |
B. |
1620 |
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C. |
1570 |
D. |
420 |
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Hint |
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