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1. |
Locate the extrema for the graph of y = f(x). |
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A. |
The extrema are (-1, 1) and (4, 3). |
B. |
The extrema are (-2, 1) and (1, -1). |
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C. |
The extrema are (-2, 1),
(1, -1) and (4, 3). |
D. |
The extrema are (-2, 1) and (4, 3). |
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Hint |
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2. |
The function f(x) = 3x2 - x3 has critical points at x = 0 and x = 2. Determine whether each of these critical points is the location of a relative maximum, relative minimum, or a point of inflection. |
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A. |
(0, 0) minimum and (2, 4) maximum |
B. |
None of these is correct. |
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C. |
(0, 0) maximum and (2, 4) minimum |
D. |
(0, 0) minimum and (2, 4) point of inflection |
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Hint |
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3. |
Use a graphing calculator to graph g(x) = x3 - x + 1 and to determine and classify its extrema. |
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A. |
relative minimum:
(1.38, -0.6);
relative maximum:
(0.6, 0.62) |
B. |
relative minimum:
(-0.6, 1.38);
relative maximum:
(0.6, 0.62) |
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C. |
relative maximum:
(1.38, -0.6);
relative minimum
(0.6, 0.62) |
D. |
relative maximum:
(-0.6, 1.38);
relative minimum:
(0.6, 0.62) |
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Hint |
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4. |
Locate the extrema for the graph y = f(x). |
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A. |
There is a relative maximum at (4,4) and a relative minimum at (0,0) |
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B. |
There is an inflection point at (2,2) |
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C. |
There is a relative minimum at (4,4) and a relative maximum at (0,0) |
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D. |
There is an absolute maximum at (4,4) and an absolute minimum at (0,0) |
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Hint |
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5. |
The function f(x) = - (x + 2)3 - 3 has a critical point at x = -2. Determine whether this is the location of a maximum, minimum or a point of inflection. |
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A. |
extremum |
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B. |
minimum |
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C. |
maximum |
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D. |
point of inflection |
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Hint |
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