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1. |
Determine the first five iterates of the function f(x) = 2x + 10 if the initial value is -12. |
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A. |
12, -14, -18, -26, -42 |
B. |
–12, -14, -18, -26, -42 |
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C. |
12, 14, -18, 26, -42 |
D. |
–14, -18, -26, -42, -74 |
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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. |
$216 |
B. |
$208 |
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C. |
$225 |
D. |
$234 |
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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. |
3n |
B. |
3an-1 |
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C. |
3 + an -1 |
D. |
5 + 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. |
3 |
D. |
–1 |
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Hint |
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