已知函数
.
(1)当
时, 若
在区间
上的最小值为
, 求
的取值范围;
(2)若对任意
, 且
恒成立, 求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e9718e8743c16eeb08693229f33bf8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bce44622d600983592ad76661ff2b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a151d579b959732b15de0eb008d01855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d8d322dddb23aa3a341755611ee844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2016-12-13 07:17:50
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc3fe37fff0dc05edabc911133b8016.png)
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名校
解题方法
【推荐3】已知函数
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a2e5749d0a6e895187bb3cff9c9445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a2e5749d0a6e895187bb3cff9c9445.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a2e5749d0a6e895187bb3cff9c9445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48cb5d7bd2f5dddcd32268e7fc07dd19.png)
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