1 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求
,
的值;
(2)设函数
,若
有两个实数根
(
),将
表示为
的函数,并求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78075f5eec8c7e09365527c97bb4761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91aff2ae1843c62fbc1a6d6f018d04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a4cb45ca6e42ced4a5c4026e2290f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c54705d32dc6820f1a90eec2225dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c54705d32dc6820f1a90eec2225dcf.png)
您最近一年使用:0次
2022-05-30更新
|
1111次组卷
|
4卷引用:北京市东城区2022届高三下学期综合练习(三)数学试题
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90aeda9a25aa43d2920cee2f1881545.png)
(1)讨论函数
在区间
内的单调性;
(2)若函数
在区间
内无零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90aeda9a25aa43d2920cee2f1881545.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27e49b10fcceb2e4b0726772b434ec7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27e49b10fcceb2e4b0726772b434ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-05-29更新
|
2701次组卷
|
5卷引用:北京工业大学附属中学2022届高三三模数学试题
北京工业大学附属中学2022届高三三模数学试题北京市朝阳区2023届高三一模数学试题查漏补缺练习 (2)北京卷专题13导数及其应用(解答题)(已下线)专题15 单调性问题(已下线)专题15 单调性问题-3
名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93fe64eca5792acf792278ce132b89.png)
(1)若
,求
的单调区间;
(2)
是函数的极小值点,求实数a的取值范围;
(3)若
的最小值为
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93fe64eca5792acf792278ce132b89.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c306c50a657036b4be31e8149f8c9ad.png)
您最近一年使用:0次
2022-05-29更新
|
911次组卷
|
3卷引用:北京市清华大学附属中学2022届高三下学期数学统练6试题
4 . 对于数列A:
,经过变换T:交换A中某相邻两段的位置(数列A中的一项或连续的几项称为一段),得到数列
.例如,数列A:
经交换M,N两段位置,变换为数列
:
.设
是有穷数列,令
.
(1)如果数列
为3,2,1,且
为1,2,3.写出数列
;(写出一个即可)
(2)如果数列
为9,8,7,6,5,4,3,2,1,
为5,4,9,8,7,6,3,2,1,
为5,6,3,4,9,8,7,2,1,
为1,2,3,4,5,6,7,8,9.写出数列
;(写出一组即可)
(3)如果数列
为等差数列:2015,2014,…,1,
为等差数列:1,2,…,2015,求n的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9304e71a623c4412188a800046a970d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc250de2317c83a904f0ebce5fc2989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bbf1fc7753df7951558e56b71b78c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc250de2317c83a904f0ebce5fc2989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a403f562ca2b40d07069aace053e8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a60554299801b8c94f80e04398e589.png)
(1)如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
(2)如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5002f030017f6f0b34a61b2e15c5a9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfefd19874aeff8340735b3df468333.png)
(3)如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
您最近一年使用:0次
名校
5 . 已知函数
在
时有极小值.
(1)当
时,求
在
处的切线方程;
(2)求
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9e77f95e6afcfa951541b62374dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d08ae2f7e9fefca425d083ee9a2ec86a.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,其中
,
为
的导函数.
(1)当
,求
在点
处的切线方程;
(2)设函数
,且
恒成立.
①求
的取值范围;
②设函数
的零点为
,
的极小值点为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003168c27d60dd28ee3894bb1c1d8fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8803317cfa080892edda0c32bde3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e291106881ed01c0885a0a71b461c3bb.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9cabe1ba5acf13a43ba47b290d9729.png)
您最近一年使用:0次
2022-05-26更新
|
2023次组卷
|
8卷引用:北京师范大学第二附属中学2022届高三三模数学试题
名校
7 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的极值;
(3)当
时,设函数
,
,判断
的零点个数,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20a21999ea818acdfb48d3641f70d3b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3882fd82c321d981b049e52eba209ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b22149b97d51ea1171c46fadee5162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)设函数
.若对任意
,存在
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c1d48956f4aa941769df888f7aeefa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d1fc6f50bf6d0b1504092ac98c5597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bcdd831570cf906e40476fb0330e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b514b4d7e9ea2d911e17d7b4f9a6dbd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07444159fdea87a306d2ea12cd6f027c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c2c5186b671b14c4d8218572b447ef.png)
您最近一年使用:0次
2022-05-17更新
|
1939次组卷
|
3卷引用:北京市朝阳区2022届高三二模数学试题
名校
9 . 已知函数
.
(1)若
是函数
的极值点,求
的值;
(2)若
,试问
是否存在零点.若存在,请求出该零点;若不存在,请说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598f624f549737f38540e434c947d102.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c84b49231d0344d0813a7bbd2acdaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-05-15更新
|
640次组卷
|
4卷引用:北京市第五中学2022届高三下学期三模数学试题
名校
10 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,求函数
的单调区间;
(3)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44af9543cd57cba04b861f4c0fdf857.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9b4ac1458224ff0cd58a9118a725c4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb584bbe5dbf0438934967b942521013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-05-12更新
|
1580次组卷
|
4卷引用:北京市海淀区2022届高三二模数学试题