已知曲线
在点
处的切线方程为
,其中
为自然对数的底数.
(1)求函数
的单调区间;
(2)若在区间
内,存在
使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b231e7a1be4c9077bf3fb457651c37a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545de354083e90a4a3be759214e27f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ae286ae8a209bc659ace6354b79abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f82dce52504345c21bba9e4c8a6fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2020·云南·模拟预测 查看更多[3]
云南省2020届高三适应性考试数学(文)试题(A卷)(已下线)文科数学-全国名校2020年高三6月大联考(新课标Ⅰ卷)(已下线)专题04 利用导数研究函数有解问题-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍 (全国通用版)
更新时间:2020-09-04 14:07:24
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适中
(0.65)
名校
【推荐1】已知函数
,曲线
在点
处的切线方程为
,
在
处有极值.
(1)求
的解析式;
(2)求
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上的单调区间和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00986df389580966c46a78672d4cb8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d2b01f86fb5a373af6b089cf3d891b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761c8e200d0e07741df2547a7b5cde0d.png)
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(0.65)
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解题方法
【推荐2】已知函数
,
.
(1)求
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(2)若
对一切
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b3fb11207294297aea30890298859a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc216a7e098feb1eeb5535fc5532f52.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5207aa3a627a574a1e12ae87dd609fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
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适中
(0.65)
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【推荐1】已知函数
.
(1)设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fd28bb4092a7930f75b627f6f4bdbf.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49e33f0079a4e020beb28c151e43b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
【推荐2】设
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5cf826d8c75f289fab45c3cb86025d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8484c3e6a0a789f763129f102a5eb322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a5f0f8f98c0c4ffd13d170dfc1b495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/581b05e117cd88f252be1b9745332447.png)
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适中
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【推荐3】已知函数
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(1)若存在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028e2a92d6bdc64efbbe184ffaa7d0f3.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3cc468c19702da55d163c7dd3a478e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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