名校
解题方法
1 . 已知函数
,其中
.
(1)若
在定义域内是单调函数,求
的取值范围;
(2)当
时,求证:对任意
,恒有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1c7f857b851b2e35f737c280ac4b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e197efba84f35c6e961fd69b19775a.png)
您最近一年使用:0次
2020-11-04更新
|
1053次组卷
|
4卷引用:海南、山东等新高考地区2021届高三上学期期中备考金卷数学(A卷)试题
2 . 已知函数
.
(1)判定函数
在
上的单调性,并证明你的结论;
(2)若函数
有四个零点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b52f5c06a6fef653b7bb7a2ac7df4a.png)
(1)判定函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f8afc9e3cdbc8cdad884450aadc9f6.png)
您最近一年使用:0次
2021-04-01更新
|
1103次组卷
|
5卷引用:湖南师大附中2019-2020学年高二下学期第三次月考数学试题
湖南师大附中2019-2020学年高二下学期第三次月考数学试题黑龙江省铁力市第一中学2021-2022学年高三上学期开学考试数学(文)试题黑龙江省绥化市高中联盟校联合考试2021-2022学年高三下学期开学考试数学文科试题广西桂林、崇左、贺州、河池、来宾市2022届高三联合高考模拟考试数学(文)试题(已下线)第一章 导数与函数的图像 专题三 导数中常见函数的图像 微点5 导数中常见函数的图像及其性质综合训练
20-21高二·全国·单元测试
解题方法
3 . 已知函数
.
(1)求函数
的极值;
(2)求证:若
对
恒成立,则
;
(3)设
,对任意的
,都有
成立,求实数
的取值范围..
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f27edc2505e48f2d98f8317bb2e746d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc2bdb59e9ae1821bd48e7395474d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9991ad3dd998b57ba038c1ff4dc1e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61aff59aec17eda8d59e7d39f8a4c356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知函数
,
,
.
(1)若曲线
在点
处的切线与
轴垂直,求
的值;
(2)讨论
的单调性;
(3)若关于
的方程
在区间
上有两个不相等的实数根
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdac8719fed9bb4e1753587608265d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6315b615676133b90db5e5363de5b0b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa76a059e95088cc306d55ce17b748d.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9587df831df1af5e7dd6be5fdc7bd8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5120da38792c0c52a5f54cc7912e290f.png)
您最近一年使用:0次
2021-04-03更新
|
2074次组卷
|
8卷引用:江苏省淮安市盱眙县马坝高级中学2020-2021学年高二下学期期中数学试题
2019高三·全国·专题练习
5 .
为圆周率,
为自然对数的底数.
(1)求函数
的单调区间;
(2)求
,
,
,
,
,
这6个数中的最大数与最小数:
(3)将
,
,
,
,
,
这6个数按从小到大的顺序排列,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f53f81bca037a4383c1fab122a3cd3d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a4bb7f5e102cda82e1a7ed31e70c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa31d253f74945e241f43ad3effc3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69dd4369ac7538bb071d79faa7578ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd652b2235a4a2a33f39c1a0b9f765d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a502b7f294957bb965e067edc71df383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2630c7a7fa2ed24dec128d92e24c224c.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a4bb7f5e102cda82e1a7ed31e70c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa31d253f74945e241f43ad3effc3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69dd4369ac7538bb071d79faa7578ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd652b2235a4a2a33f39c1a0b9f765d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a502b7f294957bb965e067edc71df383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2630c7a7fa2ed24dec128d92e24c224c.png)
您最近一年使用:0次
名校
6 . 已知函数
.
(1)若
,讨论函数
的单调区间:
(2)若
,
(其中
是自然对数的底数),且
,
,
求证:
(i)
;
(ⅱ)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e08132f140ce3802f4d056707456bf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687c95902f2c7a5cb9808ace73b7bbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43b65dc1ba5df3dd5bae72f8a399471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d18ea9e441ee214c406689fc2a50af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
求证:
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b505bf4d57e11fabcd8b9b023dbcad35.png)
(ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a388e7b1901a00d1bb168445f4e3a33.png)
您最近一年使用:0次
2020-09-14更新
|
230次组卷
|
2卷引用:湖北省宜昌市2019-2020学年高二下学期期末数学试题
名校
解题方法
7 . 已知
,
.
(1)当
时,求函数
的极值;
(2)当
,
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03949376336a0ae7c301c40cb3060f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113e192b2986a7893d429f8a6149bb18.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
(1)当
时,求
的最小值.
(2)证明:当
时,有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b80f76a716c2c98a5e4231afc6acd6a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a20457d180264f78d611dc7893d735.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e423fcd6a9384abac635ad9f6c757fc.png)
您最近一年使用:0次
名校
9 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075e635aa2e74136d67eb18f0cb22297.png)
(1)求
的单调区间;
(2)若
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075e635aa2e74136d67eb18f0cb22297.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c882e4dee9defe0425a31ab6a112e9aa.png)
您最近一年使用:0次
2020-09-05更新
|
308次组卷
|
2卷引用:山西省晋中市祁县中学校2019-2020学年高二下学期6月月考数学(文)试题
名校
10 . 设函数
(
).
(1)若
,求
的极值;
(2)讨论函数
的单调性;
(3)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b00e2f511c216c0ba76956aeaffac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b60682e4d65aff48172f98ba1a4866d.png)
您最近一年使用:0次
2020-12-31更新
|
2836次组卷
|
9卷引用:四川省凉山州2020-2021学年高三第一次诊断性检测数学(文科)试题