名校
解题方法
1 . 已知函数
,
,若对任意
,总存在
,使得
,则实数a的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db719f78be99ee3fac8c1cdb96e2eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31395d2ed7dacaf20369a0eeabc2e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309a5945d32b015fe77dd33909b70a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
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2021-11-17更新
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576次组卷
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7卷引用:宁夏石嘴山市第三中学2023-2024学年高一上学期期中考试数学试卷