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1. |
If f(n) = -6n + 2, find f . |
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A. |
9 |
B. |
-3 |
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C. |
8 |
D. |
4 |
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Hint |
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2. |
A flare is shot up into the sky modeling the formula h(t) = 2 + 144t – 16t2, where h is in feet and t is in seconds. About how long was the flare in the air? |
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A. |
9 seconds |
B. |
4.5 seconds |
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C. |
2.5 seconds |
D. |
5 seconds |
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Hint |
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3. |
Find the x-intercepts of the graph of f(x) = x2 – 2x – 3. |
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A. |
–1, 4 |
B. |
1, –4 |
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C. |
1, –3 |
D. |
–1, 3 |
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Hint |
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4. |
Find the x-intercepts of the graph of f(x) = –x2 + 4x + 12. |
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A. |
–2, 16 |
B. |
2, 16 |
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C. |
–2, 6 |
D. |
–2, –6 |
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Hint |
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