25 |
4 |
A.(0,4] | B.[-
| C.[
| D.[
|
9 |
4 |
25 |
4 |
3 |
2 |
25 |
4 |
3 |
2 |
25 |
4 |
9 |
4 |
25 |
4 |
25 |
4 |
25 |
4 |
25 |
4 |
3 |
2 |
25 |
4 |
3 |
2 |
9 |
4 |
3 |
2 |
3 |
2 |
9 |
4 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
-x2+4x |
A.[-2,2] | B.[1,2] | C.[0,2] | D.[-
|
1 |
2 |
3 |
2 |
x |
3 |
A.(2,26) | B.[1,26) | C.(1,26) | D.(1,26] |
1 |
x |
|
A.(0,1) | B.(-∞,1) | C.[1,+∞) | D.(0,1] |
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