1 |
2 |
A.f-1(
| B.f-1(
| ||||||||
C.f-1(
| D.f-1(
|
1 |
2 |
1 |
2 |
1 |
2 |
1 |
e |
1 |
2 |
1 |
e |
1 |
2 |
1 |
e |
1 |
2 |
3 |
2 |
5x |
x-3 |
A.y=1+log2x(x>0) | B.y=log2(x-1)(x>1) |
C.y=-1+log2x(x>0) | D.y=log2(x+1)(x>-1) |
|
|
|
|
|
1 |
a |
5 |
a |
A.y=2x+1(x∈R) | B.y=2x-1(x∈R) | C.y=2x-1(x∈R) | D.y=2x+1(x∈R) |
A.f(x)=2x+1(x∈R) | B.f(x)=2x-1(x∈R) | C.f(x)=2x-1(x∈R) | D.f(x)=2x+1(x∈R) |
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