1 |
2 |
A.(-π,π) | B.(-
| C.(-
| D.[-
|
π |
2 |
π |
2 |
1 |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
1 |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
A.log2x | B.log
| C.-log
| D.-log
| ||||||
E.-log
|
|
A.y=
| B.y=
| ||||||||||||||||
C.y=
| D.y=
|
A.x-2y-3=0 | B.2x-y+3=0 | C.x-2y+3=0 | D.2x+y-3=0 |
A.关于直线y=x对称 | B.关于x轴对称 |
C.关于y轴对称 | D.关于原点对称 |
A.f-1(x)=
| B.f-1(x)=-
| ||||
C.f-1(x)=
| D.f-1(x)=-
|
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