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1. |
Approximate the real zero of h(x) = 2x4 - 3x2 + x + 1 to the nearest tenth. |
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A. |
-0.3 |
B. |
1.6 |
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C. |
-1.3, -0.5 |
D. |
-1.5, 0.9 |
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Hint |
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2. |
Graph f(x) = x3 - 4x2 + 2x – 3. |
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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. |
Which graph best represents the function  ? |
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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. |
Graph  . Then estimate the coordinates at which the relative maxima and relative minima occur. |
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A. |
minimum: 1,maximum: –5 |
B. |
minimum: –5,maximum: 1 |
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C. |
minimum: 1, maximum: –3 |
D. |
minimum: –3,maximum: 1 |
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Hint |
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5. |
Find consecutive values of x between which each real zero of the function  is located. |
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A. |
–1 and 0, 0 and 1 |
B. |
–1 and 0, 1 and 2 |
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C. |
0 and 1, 1 and 2 |
D. |
–1 and 0, 0 and 1, and 1 and 2 |
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Hint |
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