名校
1 . 设函数
,其中
.
(1)当
时,求函数
的反函数
;
(2)若
,求函数
的值域并写出函数
的单调区间;
(3)记函数
,若函数
的最大值为5,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e89a6c3af0a8c27a264bb29eee647e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4299d44654c1c24d605bb2b7628752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)若
,求
的值;
(2)设
,当
时,
的值域为
,试求
与
的值;
(3)当
时,记
,如果对于区间
上的任意三个实数
、
、
,都存在以
、
、
为边长的三角形,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e6291515065417371f82a7044d079d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab54ab289fc99ed947d53d3306eb9309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02700361b31987e710719ed88a395972.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bff6e4783589606ab581deb35aec932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c5d7449d0220d1c90eccbfc2550478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d8ac5d62795f1f6ccde77ec98bb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a50188f84f379b3d0418c54cbade7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829fddb75e088131a5053ff0e783acf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74aa231cf7b975f8b799dca9c10f16d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0225bca34eaf19544939b29153aac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 若
,则它的反函数是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f151f688bec3ade40a4a06f75c768e3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5681d26ef3e8a89b6232367d14dd7bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f151f688bec3ade40a4a06f75c768e3.png)
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2019-12-02更新
|
184次组卷
|
6卷引用:上海市复旦大学附属中学2017-2018学年高三下学期3月月考数学试题
名校
4 . 已知函数
的反函数为
,则函数
的值域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07214de73abf7c70ce2b6c5eae873912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ddee553b70fc0959f1e651fdbf76a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知幂函数
的图象经过点
,则它的反函数
为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a08092ea1dbc65fe683842acbdde8ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
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2019-11-15更新
|
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3卷引用:上海市青浦高级中学2022届高三上学期10月月考数学试题
上海市青浦高级中学2022届高三上学期10月月考数学试题上海市杨浦区2019-2020学年高三上学期期中质量调研数学试题(已下线)考向05 幂函数-备战2022年高考数学一轮复习考点微专题(上海专用)
18-19高三上·上海·期中
名校
6 . 函数
(
)的反函数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effba83caf5e701c34637cb0f00efccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
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2019-11-14更新
|
202次组卷
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3卷引用:上海外国语大学附属外国语学校2022届高三上学期10月月考数学试题
上海外国语大学附属外国语学校2022届高三上学期10月月考数学试题(已下线)上海市华东师范大学第二附中2018-2019学年高三上学期期中数学试题上海市位育中学2017-2018学年高三上学期期中数学试题
名校
7 . 已知函数
.
(1)若
的反函数是
,解方程:
;
(2)设
,是否存在
,使得等式
成立?若存在,求出
的所有取值,如不存在,说明理由;
(3)对于任意
,且
,当
、
、
能作为一个三角形的三边长时,
、
、
也总能作为某个三角形的三边长,试探究
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7645ebc4d7f7b397f56b30a5c69cd47.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5eadbf25ad5b776c8faaab4ce0d16aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb25cc2b056b1f1a4aa762be091b199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a63a9cd9caa9b9cada1f8138118c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4311879d4914afb91646bc4d816c29e3.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4889b4b46d3cd6dd677d200bdf4914fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de447d5e47448d0f15a7535bf3ce0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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8 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b194a7d4494bb83d522a7a01f86fbc10.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cbae88aaf6a61461c9aea98817ff1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b194a7d4494bb83d522a7a01f86fbc10.png)
您最近一年使用:0次
2019-11-14更新
|
120次组卷
|
2卷引用:上海市行知中学2018-2019学年高三上学期第一次月考数学试题
名校
9 . 函数
的反函数是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ade3be2720bfd1996e115efcd5fcfcc.png)
您最近一年使用:0次
2019-11-14更新
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142次组卷
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4卷引用:上海市浦东新区建平中学2018-2019学年高三下学期3月月考数学试题
名校
10 . 关于函数
的反函数,正确的是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3df003ec70bffce22873618be147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a7c09c9f8db6df21496dbc0b7ab71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3df003ec70bffce22873618be147.png)
A.有反函数![]() |
B.有反函数![]() |
C.有反函数![]() |
D.无反函数 |
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