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