1 . 已知函数
.
(1)判断
的奇偶性;
(2)证明:函数
存在2个不同的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4216c3b0840bcb7c7a846bfb21e25e3e.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4216c3b0840bcb7c7a846bfb21e25e3e.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedfddd4e5616ee4c064f5b4a9a1d98d.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
.
(1)求函数
的定义域;
(2)求证:
为偶函数;
(3)指出方程
的实数根个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12aa20def3095b1c0cee5d6f9928296.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)指出方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd6be947e37552dfa0565d1f21e380.png)
您最近一年使用:0次
2020-02-23更新
|
354次组卷
|
3卷引用:安徽省合肥市庐江县2019-2020学年高一上学期期末数学试题
2014高三·安徽·专题练习
解题方法
3 . 设函数
,且
,
,求证:
(1)
,且
;
(2)函数
在区间
内至少有一个零点;
(3)设
、
是函数
的两个零点,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bc4ca32cda229340a7fce43f9d0037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799f6009a476fa056e1af71f26dd2fd0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c42f148508576752d87c43c2526eec5.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(3)设
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cecca2d4473ac3e46705a4d5f615dd.png)
您最近一年使用:0次
真题
4 . 设函数
,证明:
(Ⅰ)对每个
,存在唯一的
,满足
;
(Ⅱ)对任意
,由(Ⅰ)中
构成的数列
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b5f6455f67f8746a87b47ef5ce498e.png)
(Ⅰ)对每个
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/16d8654be963432c9253c77a219af705.png?resizew=47)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b388148147e0888b0bcf9b7b9c3f96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d05c7f4e20a74ac4358a158e628464f.png)
(Ⅱ)对任意
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/e32457f65557461bb65632c898d25ed0.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/aa83e293201743948b553e676a3cbc72.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/e57f35fdb2cc4d24b11644369bf1f6d8.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/6eefc36870d148e98f1504db34fabb5d.png?resizew=108)
您最近一年使用:0次
解题方法
5 . 已知
是函数
且
的零点.
(1)证明:
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a54cd48804ba1e7b6267c88bf84bf0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2be31d987108fba76dbca933b92d8c.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f75c4dc3af79a53e464e3562fd6b56.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40751f01acfafe1a6232bc49bc0d67f0.png)
您最近一年使用:0次
2012高一·安徽滁州·学业考试
解题方法
6 . 已知函数
,(1)判断函数
的奇偶性;(2)求证:
在R为增函数;(3)(理科做)求证:方程
至少有一根在区间
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362bfce584209628bc4ad3f23e3d7b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0833aaf41ed5dbb0bb4526752e65595b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)用定义证明函数
在
上是增函数.
(2)判断函数
零点的个数.
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572501707964416/1572501713846272/STEM/717f8395b7f54cf09c8b493bc1118ee4.png)
(1)用定义证明函数
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572501707964416/1572501713846272/STEM/c481e7bd013f4541903bb5b7b44f0967.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572501707964416/1572501713846272/STEM/8423350e6dbb48bf966441d329b76cf7.png)
(2)判断函数
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572501707964416/1572501713846272/STEM/c481e7bd013f4541903bb5b7b44f0967.png)
您最近一年使用:0次
8 . 已知函数
,
的导数为
.
(1)当
时,讨论
的单调性;
(2)设
,方程
有两个不同的零点
,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5f90f9a27d64486a5628ad6a838e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105923fe60ecd309d6d1c4a75304d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd771a09fd4070db9d50bc9ba0a2045.png)
您最近一年使用:0次
2020-08-10更新
|
1784次组卷
|
6卷引用:安徽省淮北市树人高级中学2020-2021学年高二下学期期中理科数学试题
安徽省淮北市树人高级中学2020-2021学年高二下学期期中理科数学试题安徽省淮北市树人高级中学2020-2021学年高二下学期期中文科数学试题湖北省黄冈中学2020届高三下学期适应性考试理科数学试题(已下线)第04讲 极值点偏移:减法型-突破2022年新高考数学导数压轴解答题精选精练(已下线)专题12 利用导数解决函数的单调性-学会解题之高三数学万能解题模板【2022版】(已下线)专题05 极值点偏移问题与拐点偏移问题-1