名校
解题方法
1 . 已知函数
,
.
(1)若
有两个零点,求实数
的取值范围;
(2)若
使得
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65378bd2dc4c65961b52441d9bd9d8b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169f62e14a17c4e703738aa04abda8c3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9d12b72d50e582a34c362617d931e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d1306452cf040c8677f45461308cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)若
,求函数
的单调区间;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5921959f23290c17c6315d11267ac6d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-27更新
|
622次组卷
|
2卷引用:云南省泸西县第一中学2023届高三上学期期末学业质量监测数学试题
名校
3 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea1a650ffa47f1f85c45a13acf50c9c.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76ee2d48fe9913fbd8d957b572dc48a.png)
您最近一年使用:0次
2019-08-02更新
|
1397次组卷
|
2卷引用:云南省昆明市2018-2019学年高二下学期期末考试数学(理)试题
4 . 已知函数
.
(Ⅰ)若曲线
在点
处的切线经过点
,求实数
的值;
(Ⅱ)求证:当
时,函数
在定义域上的极小值大于极大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057dbc4685939a1b5d906def82b62da0.png)
(Ⅰ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次