名校
1 . 已知函数
.
(1)解关于x的不等式
;
(2)当
时,求
的最小值;用
表示其最小值,判断
的奇偶性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a534b7e75b18d81a3e3217033807dcce.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa8af9de7a5fc1af895b6dee5682f1b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
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名校
2 . 已知函数
, 其中
且
.
(1)若1是关于方程
的一个解,求
的值.
(2)当
时,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e552f584c04884ce36007861de8a9d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a4e8899dd46ace22a36e652b6da2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若1是关于方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0008d46dc238d710a1efe7e2c17237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
3 . 已知函数
,满足
.
(1)求常数
的值;
(2)解关于
的方程
,并写出
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6873440e3790042ddaf09d3173126d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d02fc47b8a3f290e375cfe31fc1074.png)
(1)求常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b4c43049c1dea26866d1644fa869ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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