A.y=
| B.y=Inx | C.y=
| D.y=x-
|
1 |
x |
1 |
x |
1 |
|x|+2 |
1 |
|x|+2 |
1 |
x |
A.方程f(x)=0在区间[0,1]内一定有解 |
B.方程f(x)=0在区间[0,1]内一定无解 |
C.函数f(x)是奇函数 |
D.函数f(x)是偶函数 |
A.10x | B.10-x | C.-10-x | D.-10x |
A.f(|x1|)<f(|x2|) | B.f(-x2)>f(-x1) | C.f(x1)<f(-x2) | D.f(-x1)>f(x2) |
1 |
2 |
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