名校
1 . 已知函数
,
,
且
.
(1)当
时,若
的最大值为
,求
的值;
(2)求使
成立的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ba2fd2fc0fb8b8be774fb513b51e55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e4ada54a9d176e9b86124dcb12e614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b017de7aec0711fef053f1a0197a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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4卷引用:福建省厦门市思明区厦门二中2023-2024学年高三上学期第三次阶段考试数学试题