2
| ||
|2x-4|+4 |
|
2
| ||
2x-4+4 |
2
| ||
2x |
x-2 |
x-2 |
1 |
2 |
7 |
4 |
7 |
4 |
7 |
4 |
7 |
4 |
3-x |
A.(0,3) | B.[0,3] | C.(-∞,3] | D.(-∞,3) |
1-3x |
A.(-∞,0] | B.(-∞,1] | C.[0,+∞) | D.[1,+∞) |
1 |
2 |
3 |
2 |
A.2 | B.3 | C.4 | D.5 |
A.[0,1],[1,2] | B.[2,3],[3,4] | C.[-2,-1],[1,2] | D.[-1,2],[3,4] |
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