名校
解题方法
1 . 已知函数
.
(1)设
是
的反函数,当
时,解不等式
;
(2)若关于x的方程
的解集中恰好有一个元素,求实数a的值;
(3)设
,若
,对任意
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab5c53352f3eafd25b5dbf4ee5bbbd6.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf119627611a46c9bbc9f9dcaae9f51d.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b91be0f393f09868cced8cace506c8.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16443926c89badae2361d1290e4781b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef935409e7d226e0d959413a242a285.png)
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