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23-24高三上·湖北荆门·阶段练习 查看更多[6]
湖北省十一校2024届高三第一次联考数学试题(已下线)第五讲:化归与转化思想【练】高三清北学霸150分晋级必备(已下线)第五章 一元函数的导数及其应用(压轴题专练,精选34题)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第二册)(已下线)湖南省长沙市四县区2024届高三下学期3月调研考试数学试题变式题11-15(已下线)专题5 指数对数同构问题(过关集训)(压轴题大全)(已下线)第9题 构造函数利用单调性求参问题(压轴小题)
更新时间:2023-12-07 07:53:06
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解题方法
【推荐1】已知函数
的定义域为
,对于任意
,当
时,
(其中
为自然对数的底数),若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e1840471544407d1439f72e67dae23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd7af568e3d9f444beb0ff41426477.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fa297062ff72cf46f63b29c03cf982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
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【推荐2】下列叙述正确的序号是________ (把你认为是正确的序号都填上).
①定义在
上的函数
,在区间
上是单调增函数,在区间
上也是单调增函数,则函数
在
上是单调增函数;
②已知函数的解析式为
=
,它的值域为
,那么这样的函数有9个;
③若函数
=
在
上单调递增,则
;
④已知
的定义域为
,且满足对任意
,有
,则
为偶函数.
①定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be71c309001092d6c1283d481dc9c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942b22a981d50e2c0ccb0f3f778c226a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
②已知函数的解析式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d215e8b9a565024fc6ef1a3c7a4675e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a462ac43d85e05d71b7e5d128b1bb8ba.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b3fb4a7ac4fa9925a3f26e45c34a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799d30fdf585f21c4307c4fda83cf174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7939ce832162475d0bb9cf6c8de164.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000de7f15453b5dd97cad50eb2175547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9983e6e9091d1d655e3cc209d4cf05d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b655ad0cbdfbbca9b2a55e62327f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
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【推荐3】定义在
上的函数
满足:对任意
都有
,且当
时,
恒成立.下列结论中可能成立的有______ .
①
为奇函数;
②对定义域内任意
,都有
;
③对
,都有
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c75a15990fdcf1de0a9ac9f475e3c92.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②对定义域内任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8678aef8427135188d0fdef8b141a5ae.png)
③对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74ea0780c90c9e4bd395135fb732d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52582a02afc2ab82ea17cbe49b514e8.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fca480f437ccd7383269585193a5a7.png)
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【推荐1】若函数
在区间
上单调递增,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a757a83ba93e39a481eed4bf0dbd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
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名校
解题方法
【推荐2】已知函数
是
上的增函数.当实数
取最大值时,若存在点
,使得过点
的直线与曲线
围成两个封闭图形,且这两个封闭图形的面积总相等,则点
的坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ebd4aeb62a20fac7e6947a58eae1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e6043daa666c3ee97dc25b430f8061.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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