| x-2 |
| x-4 |
| x |
| 4 |
| a |
| 4 |
| b |
| 4 |
| x(x-6) |
| 4(x-2)(x-4) |
| 3 |
| 4 |
| 3 |
| 2 |
| 4-x |
| 2-x |
| 6-x |
| 4 |
| 3 |
| 2 |
| x(x-6) |
| 4(x-2)(x-4) |
| x-2 |
| x-4 |
| x(x-6) |
| 4(x-2)(x-4) |
| x | (-∞,0) | 0 | (0,2) | (4,6) | 6 | (6,+∞) |
| f′(x) | + | 0 | - | - | 0 | + |
| f(x) | ↗ | 极大值 | ↘ | ↘ | 极小值 | ↗ |
| 1 |
| 2 |
| 3 |
| 2 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 2 |
| 4-x |
| 2-x |
| 6-x |
| 4 |
| 3 |
| 2 |
| 1 |
| 2 |
| b |
| 4 |
| b |
| 4 |
| a |
| 4 |
| b |
| 4 |
| 3 |
| 2 |
| 3 |
| 2 |
| a |
| 4 |
| 3 |
| 2 |
| a |
| 4 |
| a |
| 4 |
| b |
| 4 |
| x |
| 4 |
| x |
| 4 |
| x-2 |
| x-4 |
| a |
| 4 |
| b |
| 4 |
科目:高中数学 来源: 题型:
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