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1. |
Find the first four terms of the sequence in which a1= -5 and
an+1 = an + 1. |
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A. |
4, 3, 2, 1 |
B. |
–4, -3, -2, -1 |
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C. |
-5, -4, -3, -2 |
D. |
5, 4, 3, 2 |
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Hint |
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2. |
Find the first four iterates of the function f(x) = 7x + 2 if x0 = 3. |
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A. |
3, 23, 47, 81 |
B. |
7, 12, 18, 36 |
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C. |
23, 163, 1143, 8003 |
D. |
23, 76, 114, 208 |
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Hint |
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3. |
Which of the following is not a recursive formula? |
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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. |
3 + an -1 |
B. |
5 + 3n |
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C. |
3an-1 |
D. |
3n |
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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. |
–1 |
D. |
–3 |
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Hint |
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