x2-x+2 |
x+1 |
x2-x+2 |
x+1 |
(x+1)2-3(x+1)+4 |
x+1 |
4 |
x+1 |
4 |
x+1 |
(x+1)•
|
4 |
x+1 |
4 |
-(x+1) |
-(x+1)•
|
4 |
-(x+1) |
e |
ex-x+a |
A.a<-1 | B.a≤-1 | C.a>-1 | D.a≥-1 |
| ||
x+1 |
A.
| B.
| C.
| D.1 |
| ||
|
1+3x |
x2-2x-3 |
A.(-∞,-1)∪(3,+∞) | B.(-∞,-1]∪[3,+∞) | C.(-2,-1] | D.(-2,-1]∪[3,+∞) |
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