解题方法
1 . (1)已知奇函数
的定义域为
,且在区间
上递减,求满足
的实数
的取值范围;
(2)已知
为定义在
上的偶函数,当
时,
,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408b9502dcc197dcf528337ef0b617b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc419b80bd07a7d67e0bb0a955f1b774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c711c9e810899e0b1c2c537066aa4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1f919103a9a533da9e6912ffe6d70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df83fb09aa3b22a062f7e7a1295db76.png)
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名校
解题方法
2 . 已知函数
的定义域为不等式
的解集,且
在定义域内单调递减,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5438f1e30248c357fd0f6419d791b5f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cf9c4da256c0a4c66a8c252f469605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次