名校
解题方法
1 . 函数
是
的奇函数,
是常数.
(1)求
的值;
(2)用定义法证明
是
的增函数;
(3)不等式
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c1f6c97fae837de54fcbf43f476893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)用定义法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(3)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5d6d457deed9544082b7e370e85ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 对于函数
①探索函数
的单调性
②若
为奇函数,求
的值
③在②的基础上,求
的值域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d343506c05517ec17184d75daabaac.png)
①探索函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
③在②的基础上,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
解题方法
3 . 已知函数
,求其单调区间及值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6391ed01775f8b7f1df5d0d4ec8893.png)
您最近一年使用:0次
2017-10-16更新
|
2752次组卷
|
5卷引用:云南省宣威市第八中学高一上学期数学指数与指数函数第三次检测试卷
2014·安徽·一模
名校
4 . 设函数
,若对于任意给定的
都存在唯一的
,满足
,则正实数
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb0077088e69b76c6279ce963a4f97c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d7c54f4e8bfd8738fceebbc63ff81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f39131e2e6b4632b00ebe6bdfc84087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.![]() | C.![]() | D.4 |
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2017-07-23更新
|
906次组卷
|
4卷引用:2014届安徽省“皖西七校”高三年级联合考试理科数学试卷
(已下线)2014届安徽省“皖西七校”高三年级联合考试理科数学试卷2016届宁夏·海南高三三轮冲刺猜三理科数学试卷天津市静海县第一中学2017届高三4月阶段性检测数学试题(已下线)考点06 指数函数图象与性质-备战2022年高考数学典型试题解读与变式
解题方法
5 . 已知函数
在
上满足
,且
,
.
(1)求
,
的值;
(2)判断
的单调性并证明;
(3)若
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da314c06ddf6cb60feaecb52ca9fadd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34bdf025f6472f99b0aa8849bbdcafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa87c8afbe68c11826b567a26945518.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a77c4d65f01e583b2f6c5ea97c3e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7938db3cbbf3b986755944aba0174925.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14baa24f143517147128e6b5ee5a01e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知函数
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f64f210b832a31fe5e2f66efe7ffa22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b5c1af528db6bf68adc3d22728bc90.png)
![](https://img.xkw.com/dksih/QBM/2016/10/19/1573083514863616/1573083521073152/STEM/cbd97bf274894ac4b3ed245606f995da.png?resizew=56)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5f7fc831b1641c2f2120e43fd59407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84fb1f51e2de45b729cf3db7d115eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f64f210b832a31fe5e2f66efe7ffa22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b5c1af528db6bf68adc3d22728bc90.png)
![](https://img.xkw.com/dksih/QBM/2016/10/19/1573083514863616/1573083521073152/STEM/cbd97bf274894ac4b3ed245606f995da.png?resizew=56)
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7 . 已知函数
,
.
(1)若设
,求出
的取值范围(只需直接写出结果,不需论证过程);并把
表示为
的函数
;
(2)求
的最小值,;
(3)关于
的方程
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178ba50547ae29d67b0bdfc58616045c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc70276e8bba4f3a519be50442f0f21c.png)
(1)若设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe228eab66931f243577ee157690165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3466b71d1d9117438ed50388a57d9397.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce79ee5e3c5dfa38067b974b7695a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 已知函数![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/f292b1ad4d6a491b90cef9bf668a7030.png)
,
,且
为偶函数.设集合
.
(Ⅰ)若
,记
在
上的最大值与最小值分别为
,求
;
(Ⅱ)若对任意的实数
,总存在![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/ed369209fc7841c29d1cbda137edc65f.png)
,使得
对
恒成立,试求
的最小值.
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/f292b1ad4d6a491b90cef9bf668a7030.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/43deea225ec94698bff5006a157e9dca.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/7481df35455e4d2da3afd4781e9db90a.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/3d6d71ab48984e4791c100b1f124eadd.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/748899eb90f54d0d80b2bf8c238f7b72.png)
(Ⅰ)若
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/114e0e24b7084b59901653d847edc3f2.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/0ac24e94fb994bceba2be482ed282a80.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/3a114bbc8e544c6baee051a5859b611a.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/cb7cfc5d7194485eaae3f0657885eb57.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/f5eeae3cc6ff4f048d94cea8683222a9.png)
(Ⅱ)若对任意的实数
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/cab6bbdb94354b39837ad9e0e01d506e.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/ed369209fc7841c29d1cbda137edc65f.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/13275352e39b48d5a704e8f83d1fea6c.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/de529b0649b3484baa344ac3611822f4.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/28a0536e335745209938106e0027eea9.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572584791744512/1572584798093312/STEM/f6360c923ff94d529fbb8678a034ad23.png)
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9 . ![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/0ae4946be16245af8485042d0e84db61.png)
(1)![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/a43c3b84d2d04302bc813cd2c417a1f4.png)
(2)
,求
的取值范围.
(3)
条件.
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/0ae4946be16245af8485042d0e84db61.png)
(1)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/a43c3b84d2d04302bc813cd2c417a1f4.png)
(2)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/7196a86937a3407fabc2d871fac25485.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/40327f87a9c349c4879078c257cc56aa.png)
(3)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173434880/STEM/563d74001d214805b5ba0ca100b0dd4a.png)
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解题方法
10 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
(1)若
的最小值记为
,求
的解析式.
(2)是否存在实数
同时满足以下条件:①
;②当
的定义域为
时,值域为
;若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad63862b80b077898457c22a420c921e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0b63ed3708a5d16d772ea630092775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0d9829e0f5f313d8a0a705c4d5879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09112144a4a243b90b3178ee9959661f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
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