1 |
2x-1 |
∫ | a1 |
1 |
t |
A.
| B.
| C.
| D.
|
1 |
t |
∫ | a1 |
1 |
t |
∫ | a1 |
1 |
2x-1 |
1 |
2-x-1 |
1 |
2x-1 |
1 |
2-x-1 |
1 |
2x-1 |
2x |
2-x•2x-2x |
1 |
2x-1 |
2x |
1-2x |
1 |
2x-1 |
2x |
2x-1 |
1 |
2x-1 |
1 |
2 |
1 |
2 |
1 |
2 |
A.①③ | B.②④ | C.①④ | D.②③ |
a-x |
x+a2-2 |
A.增函数 | B.减函数 |
C.先增后减的函数 | D.先减后增的函数 |
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