3 |
2 |
3 |
A.[
| B.(
| C.[0,
| D.[0,
|
3 |
3 |
3 |
π |
2 |
2π |
3 |
π |
2 |
2π |
3 |
A.(0,1) | B.(1,0) | C.(-1,-4)或(1,0) | D.(-1,-4) |
1 |
3 |
A.-
| B.1 | C.
| D.
|
A.极小值-1 极大值 1 | B.极小值-2,极大值3 |
C.极小值-2,极大值 2 | D.极小值-1,极大值3 |
1 |
x |
1 |
2 |
A.y=4x | B.y=4x-4 | C.y=4x+4 | D.y=2x-4 |
3 |
2 |
A.-
| B.-ln2 | C.
| D.ln2 |
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