名校
解题方法
1 . 设函数
(
且
,
).
(1)若
是定义在R上的偶函数,求实数k的值;
(2)若
,对任意的
,不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bef6b1f23bdd37d46331b69103eb764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7306ed239acc7afb3e64e857a7b557e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0618947d2ea889486de6c8e038c587.png)
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2022-01-21更新
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628次组卷
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5卷引用:浙江省衢州市2021-2022学年高一上学期期末教学质量检测数学试题