3 |
4 |
1 | ||
f(x+
|
3 |
4 |
3 |
2 |
1 | ||
f(x+
|
3 |
2 |
1 |
f(-x) |
1 |
f(-x) |
1 |
f(1) |
3 |
2 |
|
A.(1,2) | B.[
| C.(1,
| D.(
|
AP |
AB |
OA |
OP |
A.3 | B.6 | C.9 | D.12 |
A.在区间[-2,-1]上是增函数,在区间[5,6]上是增函数 |
B.在区间[-2,-1]上是增函数,在区间[5,6]上是减函数 |
C.在区间[-2,-1]上是减函数,在区间[5,6]上是增函数 |
D.在区间[-2,-1]上是减函数,在区间[5,6]上是减函数 |
|
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