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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. |
7, 4, 1, -2, -5, -8 |
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C. |
–3, 7, -8, -2, -5, -8 |
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D. |
1, 2, 7, 9, 12, 17 |
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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. |
7, 12, 18, 36 |
B. |
23, 76, 114, 208 |
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C. |
23, 163, 1143, 8003 |
D. |
3, 23, 47, 81 |
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Hint |
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3. |
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. |
–14, -18, -26, -42, -74 |
D. |
12, 14, -18, 26, -42 |
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Hint |
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4. |
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. |
$234 |
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C. |
$225 |
D. |
$208 |
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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. |
420 |
B. |
150 |
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C. |
1620 |
D. |
1570 |
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Hint |
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