1 . 函数
的定义域为实数集
,已知当
时,
,并且对任意
,均有
.
(1)讨论函数
的奇偶性及单调性;
(2)设集合
,
;
,且
.若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344655de7e7d632fb819ba1344ab9872.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6e821d5c6e8d62b8b323f06575ea05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8983673dbd136fc8887a41fed64dbd62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2a0f9f5118909639fb13083bcb3be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92db09b87d1636b110c8e15232bef117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29cd450d0feaea9acb27a60430f4a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430f2ae1c1b9819f02dc1d1c3aa8bfd8.png)
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3 . 设实数
满足
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe88031d4b5e8cad3f80f363c86b361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
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2012高三·辽宁·竞赛
4 . 设
,其中,
.则所有
的交集为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d8bcbe55f6ca02c476d8c134253e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe64cfceabcc6d4e6853b1ec17b32359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401dce4c3758b34de48ee3a2029e04a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
的定义域为
,且过点
.则
的值域为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76be4511ff652af8120ff72f7b19cb4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c7ffc8cb4197f6cd36a90913c9647f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次