名校
解题方法
1 . 已知函数
的单调减区间为
.
(1)求
、
的值及
极值;
(2)若对
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae06c488100e31570805778b1d322e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/490db501f1d71e0e61f32c11c3ee6b1e.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190a670794c40368119afdcc98341f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
2020-03-20更新
|
803次组卷
|
2卷引用:宁夏吴忠中学2019-2020学年高二上学期期末考试数学(文)试题
2 . 已知函数
,
为
的导函数.证明:
(1)
在区间
存在唯一极小值点;
(2)
有且仅有
个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463362ae38c1fc08fddf0e4e6d8aae4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
您最近一年使用:0次
解题方法
3 . 设函数
,其中
.
(1)当
时,求函数
的极值;
(2)若
,
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce99432f9ec5b783d77f4c18c1046f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc2bdb59e9ae1821bd48e7395474d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知函数
(m∈R).
(1)若对
恒成立,求m的取值范围;
(2)求证:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed226865b2338bc5cb3ec33bbbb2c96.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215499f8e695cb36be622b177cf68247.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1278e6fd6266a7dc9c39b10260db642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b080571994f2739ef1d359192e981d9.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)当
,求函数
的极值;
(2)当
时,在函数
图象上任取两点
,若直线
的斜率的绝对值都不小于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24548ee91b9778b3b615e11293801088.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 已知函数
,且
.
(1)求
的值;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ace8c81301607bbb92853a383de1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4989f00563dc9ea4e57218ee3a5319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494d897e4359a9816b772cc6ccc47250.png)
您最近一年使用:0次
7 . 已知函数f(x)=a1nx﹣ax+1(a∈R且a≠0).
(1)求函数f(x)的单调区间;
(2)求证:
(n≥2,n∈N*).
(1)求函数f(x)的单调区间;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b884e5aaea76f756ffff01bef1d7aa.png)
您最近一年使用:0次
2020-03-16更新
|
446次组卷
|
2卷引用:湖南省湘西州2018-2019学年高二上学期期末数学(理)试题
8 . 已知函数f(x)=lnx+a(x2﹣1).
(1)讨论函数f(x)的单调性;
(2)当a
,x∈[1,+∞)时,证明:f(x)≤(x﹣1)ex.
(1)讨论函数f(x)的单调性;
(2)当a
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6060fa8f42deab680b6e341efdbefd14.png)
您最近一年使用:0次
2020-03-16更新
|
298次组卷
|
3卷引用:贵州省部分重点中学2019届高三上学期高考教学质量评测卷(四)(期末)数学(理)试题
名校
解题方法
9 . 已知函数
,其中
为非零实数.
(1)求
的极值;
(2)当
时,在函数
的图象上任取两个不同的点
、
.若当
时,总有不等式
成立,求正实数
的取值范围:
(3)当
时,设
、
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6223c3678ff0901122781bcd0bcdeed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbd5bb726a08c308b48373afebbb768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099f357e54f2f7ce159e7c942e6f2c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7838e6e705ec359ca0a27ecb131cce22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a850874036273f74ce65d00038e435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2519954ec2deabecd7e057886fa4023c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6161be3c8fe74ed264bb8cd6d708aecc.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
,求曲线
在
处的切线方程;
(2)若
,且当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2588859dcccfe99ee9a3d8caa5e659a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac6a2f7366e0190592444bb60d3cea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-13更新
|
416次组卷
|
2卷引用:浙江省宁波市六校2019-2020学年高二上学期期末数学试题