1 |
2x |
2 |
1-x |
A.9 | B.
| C.5 | D.
|
1 |
2x |
2 |
1-x |
| ||
x |
2 |
1-x |
| ||
x |
2 |
1-x |
| ||
x |
2 |
1-x |
5 |
2 |
| ||
x |
2x |
1-x |
| ||
x |
2x |
1-x |
|
| ||
x |
2x |
1-x |
1 |
3 |
| ||
x |
2x |
1-x |
1 |
2x |
2 |
1-x |
1 |
3 |
9 |
2 |
1 |
2x |
2 |
1-x |
1 |
2x |
2 |
1-x |
9 |
2 |
|
1 |
f(2) |
|
x-
|
A.
| B.
| C.
| D.
|
A.(-1,1) | B.(-1,+∞) | C.(-∞,-1) | D.(-∞,+∞) |
A.y=x | B.y=x3 | C.y=(
| D.y=log2x |
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