2023高一上·上海·专题练习
解题方法
1 . 设点
即在函数
的图象上,又在它的反函数
的图像上.
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
(2)证明
在其定义域上是减函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2595e01e8751886a27862cce04e2d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a117693f0d551e727f7ab78dd813abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
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解题方法
2 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11c7d3338c464bbff51c26948092b56.png)
(1)求
,并指出其在定义域内的单调性,无需写出证明过程;
(2)已知
为
的反函数,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11c7d3338c464bbff51c26948092b56.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7371771154326488368346683a1bc8dd.png)
您最近一年使用:0次
2023-12-30更新
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549次组卷
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2卷引用:辽宁省沈阳市辽宁省实验中学2023-2024学年高一上学期12月月考数学试题
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3 . 设函数
的反函数存在,记为
.设
,
.
(1)若
,判断
是否是
、
中的元素;
(2)若
在其定义域上为严格增函数,求证:
;
(3)若
,若关于
的方程
有两个不等的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135bcf6d7f7c04641823b90f1d038eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30bf91f31613ce80bba22a49862db03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7d6c567dd6eaa990a589d75e5486de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884e46c975c2c060a35fa13f3725bdfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b6f37a59c5b876212b8019ad103684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e73227a474569860b751bd95f8a688a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 给定实数
,
且
.设函数
(
且
).证明:这个函数的图像关于直线
成轴对称图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8da66b2b2a6523c22c22ac5d96c160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3b8d497ea81201d9f38e45dc0a2d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
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5 . 已知函数
.
(1)若
,证明:
在
上单调递增;
(2)若
恰有3个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d542131c92f2e946596720db8576354.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950581caec90a28b5fa8f1e81bf21d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 已知指数函数
经过点
.求:
(1)若函数
的图象与
的图象关于直线
对称,且与直线
相切,求
的值;
(2)对于实数
,
,且
,①
;②
.
在两个结论中任选一个,并证明.(注:如果选择多个结论分别证明,按第一个计分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7fd6e928ac497f686e2c68f2bf013fd.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)对于实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe9037d66b1bc24f70f3cf2da9037be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e61f3d800a923aacab573b0ec6f4a.png)
在两个结论中任选一个,并证明.(注:如果选择多个结论分别证明,按第一个计分)
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解题方法
7 . 已知定义在R上的函数
满足:
在区间
上是严格增函数,且其在区间
上的图像关于直线
成轴对称.
(1)求证:当
时,
;
(2)若对任意给定的实数x,总有
,解不等式
;
(3)若
是R上的奇函数,且对任意给定的实数x,总有
,求
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ee081ef6ed3261541eade37f4f9da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ee081ef6ed3261541eade37f4f9da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea438617b79dcfca03dacdf20929046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
(2)若对任意给定的实数x,总有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2cbbf4d5b8ecbfccc5de39781396d07.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b762ca4a3a079282f7c2cdfc5d39f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-01-21更新
|
1349次组卷
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5卷引用:第14讲 函数的应用与反函数(3大考点)(2)
(已下线)第14讲 函数的应用与反函数(3大考点)(2)(已下线)专题16反函数-【倍速学习法】(沪教版2020必修第一册)上海市曹杨第二中学2021-2022学年高一上学期期末数学试题江苏省苏州工业园区星海实验中学2022-2023学年高一上学期期中数学试题第4章 指数概念与对数函数(基础、典型、易错、新文化、压轴)专项训练-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)