已知函数
(其中
,
).
(1)当
时,求不等式
的解集;
(2)若对
,不等式
恒成立,试求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7918bb6e447f114b1b4b8be4563c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d3feee85e869ea9ab561ff63d46a2.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db00ac8c8ff3f8af2cb5dc2f86353df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f008cea432b68934066d32243ccf69bf.png)
2022·全国·模拟预测 查看更多[4]
西南四省名校2022届高三上学期第二次大联考数学(理)试题西南四省名校2021-2022学年高三第二次大联考数学(文)试题(已下线)解密24 不等式选讲(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(全国通用)四川省眉山市仁寿县第一中学2021-2022学年高三下学期二诊模拟考试数学(理)试题
更新时间:2022-02-21 20:59:21
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适中
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解题方法
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4b7e7d6d383c528056877e73da000c.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d766ef5e7c9bccd7a7af6981e08e6.png)
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