1 |
x+a |
1 |
x+a |
1 |
x+a |
1 |
x+a |
1 |
x |
|
A.8 | B.3 | C.log23 | D.2 |
A.y=ex-1-1(x>0) | B.y=ex-1+1(x>0) |
C.y=ex-1-1(x∈R) | D.y=ex-1+1(x∈R) |
1 |
a |
1 |
b |
2x+1 |
x-2 |
A.
| B.
| C.
| D.
|
1-x |
A.y=x2-1(-1≤x≤0) | B.y=x2-1(0≤x≤1) |
C.y=1-x2(x≤0) | D.y=1-x2(0≤x≤1) |
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