名校
1 . 函数
,若关于
的不等式
的解集为
,则当
时满足
的
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ad29d02e401591668b9ac9803531e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559250e7a91f36fe7a8ec6ce6a1550f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4642c1f1c6c213cf8087222eb760965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedfd48e5718ea98ba4e7ac434672444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2019-12-15更新
|
251次组卷
|
2卷引用:重庆市南开中学2019-2020学年高一上学期中数学试题
2 . 已知
(
).
(1)当
时,求关于
的不等式
的解集;
(2)若f(x)是偶函数,求k的值;
(3)在(2)条件下,设
,若函数
与
的图象有公共点,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d877701e007bca6300976ad2a23f1b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6786db06c302890c81d2077ff2df5449.png)
(2)若f(x)是偶函数,求k的值;
(3)在(2)条件下,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287fb9c98f72315e4393772a5a7b49a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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