已知函数
是偶函数,
是
上的奇函数.
(Ⅰ)求
的值;
(Ⅱ)若对
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b80e070946e73581e4ba35558ffa6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a77493bbbc00011cc8c99518f94081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(Ⅱ)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7a6a5338d484eb63cdb6ee4984be41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dffc606b6ec5ee8d3c51ee21623d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
更新时间:2018-01-11 13:21:10
|
【知识点】 由奇偶性求函数解析式
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解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
是定义域为R的偶函数,当
时,
.
(1)求
的解析式,并写出其单调增区间;
(2)求
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5749bb82edfb623c63ae4ec6b4d43da8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】已知函数
是定义在
的奇函数,且
.
(1)判断函数
在
上单调递增还是单调递减,并证明你的判断;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d0636e0ece5e727458ba77e7f9fa21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc6da8cf1ccead63fcacc383560e0ba.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fd3a85629a4a9833b4efd6100708f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次