| 1 |
| 3 |
| 1 |
| 2 |
| f(x)+5 |
| g(x) |
| f′(x)g(x)-[f(x)+5]g′(x) |
| g2(x) |
| 10 |
| 3 |
| 1 |
| 3 |
|
|
| 1 |
| 3 |
| 1 |
| 3 |
| x | -4 | (-4,-1) | -1 | (-1,3) | 3 | (3,4) | 4 | ||||
| f′(x) | / | + | 0 | - | 0 | + | / | ||||
| f(x) | -25 | ↗ | 2 | ↘ | -
|
↗ | -
|
| f(x)+5 |
| g(x) |
| f(2)+5 |
| g(2) |
| -7+5 |
| 1 |
| f′(x)g(x)-[f(x)+5]g′(x) |
| g2(x) |
| f′(2)g(2)-[f(2)+5]g′(2) |
| g2(2) |
-3×1-[(-7)+5]×(-
| ||
| 1 |
| 10 |
| 3 |
| 10 |
| 3 |
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