|
|
|
|
x2+3 |
x+1 |
(x+1)2-2(x+1)+4 |
x+1 |
4 |
x+1 |
(x-2)2 |
x |
A.f(-
| B.f(-1)<f(-
| ||||
C.f(4)<f(-1)<f(-
| D.f(4)<f(-
|
A.(-1,1) | B.(-1,+∞) | C.(1,+∞) | D.(-∞,-1) |
A.f(0)<e-1f(1)<e2f(2) | B.e2f(2)<f(0)<e-1f(1) |
C.e2f(2)<e-1f(1)<f(0) | D.e-1f(1)<f(0)<e2f(2) |
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