2012·宁夏银川·一模
名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0098f468836c626429af243929d7a05.png)
(1)当
时,求函数
的单调递增区间;
(2)在区间
内至少存在一个实数
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0098f468836c626429af243929d7a05.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
(2)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35246b1f7e094e6e7ea093f2f53a1a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a1b1fdcdde97a8c9e9339b2f33c5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-01-09更新
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748次组卷
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8卷引用:甘肃省酒泉市瓜州县2017-2018学年高二上学期期末数学(文)试题