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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. |
–3, 7, -8, -2, -5, -8 |
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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. |
7, -3, 4, 1, 2, -1 |
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Hint |
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2. |
Which of the following is not a recursive formula? |
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A. |
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B. |
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C. |
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D. |
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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. |
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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. |
5 + 3n |
B. |
3 + an -1 |
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C. |
3n |
D. |
3an-1 |
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Hint |
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5. |
What is the 21st iterate of the function  if x0 = 3. |
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A. |
3 |
B. |
–19 |
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C. |
–3 |
D. |
–1 |
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Hint |
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