已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f8cd466fc33dc01e224f8d9cc097b0.png)
(1)当
时,求满足不等式组
的
的取值范围;
(2)当
时,不等式
恒成立.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f8cd466fc33dc01e224f8d9cc097b0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef932877eef10ef2974ce9e29ea47f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238f660e6b686ed05405f1ccdf6a0f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-04-01 14:11:07
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ab0f1e19f12666a2f649d985f0e354.png)
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