1 |
2 |
A.[0,1] | B.(-∞,3) | C.[0,
| D.[2,
|
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
5 |
2 |
A.y=
| B.y=
| C.y=
| D.y=
|
3x2 | ||
|
A.(-
| B.(-
| C.(-
| D.(-∞,-
|
1 |
X |
X+2 |
A.[-2,+∞) | B.[-2,0)∪(0,+∞) | C.(-2,+∞) | D.(-2,0)∪(0,+∞) |
1 |
4x |
1 |
2x |
2x-1 |
A.(-∞,0] | B.(-∞,0) | C.[0,+∞) | D.(0,+∞) |
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