x |
x+3 |
5 |
2 |
5 |
2 |
x |
x+3 |
5 |
2 |
5 |
2 |
A.(1,2) | B.[1,2) | C.(-1,1) | D.(1,2] |
A.[-
| B.(-
| C.(-
| D.[-
|
A.{1,2} | B.{3,4,5} | C.{4,5,6} | D.{3,4,5,6} |
A.(-2,+∞) | B.(-2,3) | C.(-2,-1] | D.[-1,3) |
A.{x|x<0} | B.{x|-1<x≤0} | C.{x|x>-1} | D.{x|-1<x<0} |
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