1 . 设
是由满足以下性质的函数
构成的集合:对于
的定义域内的任意两个不相等的实数
、
,不等式
都成立.
(1)已知函数
,求
的反函数
,并指出
的定义域;
(2)试判断(1)中的函数
与
是否属于集合
,并说明理由;
(3)设
,且
的定义域为
,值域为
,试写出一个满足条件的函数
的解析式(不用分段函数表示,不需要说明理由).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](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/754c6b973500935978843fb30bc83c5a.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40d945e6c856f6bfe43bc27f6d21d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d245d44bd40f751c903641028bbb5ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d245d44bd40f751c903641028bbb5ccd.png)
(2)试判断(1)中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d245d44bd40f751c903641028bbb5ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8b4d29b74ea81791a220ad276cce91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74314814cdc6fb803abb4692458af131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c621549deca079bc4c4c88446df15b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
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2 . (1)已知
,求证:
.
(2)已知
,求证:
在定义域内是单调递减函数;
(3)在(2)的条件下,求集合
的子集个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8babf018f42b32990f65768ed81ef5.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ea5e39c4f2025dbd80d8629c6b71e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在(2)的条件下,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fd56c0a0ba232750157d2241284959.png)
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2020-01-16更新
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5卷引用:上海市七宝中学2017-2018学年高二上学期开学考试数学试题
3 . 已知函数
.
(1)若函数
是函数
的反函数,解方程
;
(2)当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c987e4096540d6852bdf92f9f9a551f6.png)
时,定义
,设
,数列
的前n项和为
,求
及
;
(3)对于任意
,其中
,当
能作为一个三角形的三边长时,
也总能作为一个三角形的三边长,试探究M的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50fede489df9138badffe39d4dd6755b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155ecc3f52ea55b0172cecd80cc28d50.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c987e4096540d6852bdf92f9f9a551f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7e785d0978581dd9bb152c968395ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9f28a83709e0cab563637fa5e46810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504616a3feb068f34f44bbc6f64ab8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6b5790aa84bcd1a60d263a21e137e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5e69a1736fce183c0227c991c14810.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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b4db74fcf367ea0cd1e6ff95fed441.png)
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4 . 已知函数
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
(1)求
和
的单调区间
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851fecaa8777b509d7269ae45d1096c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0593559930624d3c609f0eff67feca8.png)
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2019-12-04更新
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4卷引用:上海市上海师范大学附中闵行分校2017-2018学年高三上学期第一次月考数学试题
上海市上海师范大学附中闵行分校2017-2018学年高三上学期第一次月考数学试题2017届上海市奉贤区高考一模数学试题沪教版(2020) 必修第一册 堂堂清 第四章 4.3(3)对数函数(已下线)专题04 幂函数、指数函数与对数函数(模拟练)
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5 . 已知函数
(
为常数),
是函数
图像上的点.
(1)求实数
的值及函数
的解析式;
(2)将
按向量
平移,得到函数
的图像,若不等式
有解,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7187f5ecb17c7ccd9ddf05b010dadf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006b01f66ab63afc9614e2201d0031e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9afb528423ed6c19355ca8bd8f2359.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9afb528423ed6c19355ca8bd8f2359.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9afb528423ed6c19355ca8bd8f2359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef45ab6570da5b8e53fc5b0e004b738f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0025adcb34b683e9514701eb1244fcd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 设函数
.
(1)指出
在
上的单调性,并证明你的结论;
(2)求
的反函数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3d59d124977c478eb0d860bcec0ed7.png)
(1)指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71853a6755d199d67e72693ee72aec92.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
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7 . 已知函数
.
(1)求函数
的定义域D,并判断
的奇偶性;
(2)如果当
时,
的值域是
,求a的值;
(3)对任意的m,
,是否存在
,使得
,若存在,求出t,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda75b65877623ab4b49b2594f265b04.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)如果当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2549b9c2c03a64c10e061b34527fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ed5cceb90e98148a299a0c5b3fc3c1.png)
(3)对任意的m,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8ebdc3a3d1e51e8d62cac20383f861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a1eac16a3643ac6b01495f2fa1c1ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94a6ab1e39247309bee6b5d2c7ae875.png)
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2019-11-07更新
|
330次组卷
|
3卷引用:上海市七宝中学2017-2018学年高三上学期10月月考数学试题
名校
8 . 已知集合
是具有下列性质的函数
的全体,存在有序实数对
,使
对定义域内任意实数
都成立.
(1)判断函数
,
是否属于集合
,并说明理由;
(2)若函数
(
,
、
为常数)具有反函数,且存在实数对
使
,求实数
、
满足的关系式;
(3)若定义域为
的函数
,存在满足条件的实数对
和
,当
时,
值域为
,求当
时函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0e86b7a5ad4a9754d31c883ad4c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d761c4444f5eac17133caaf19d6b9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557eb194cf0abe382609f8e1325b4197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97575938cfea82811a0bd490cacf80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.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/be54db6c82096015c2fd1cfa62a05fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96f3ea0467dc6393d7c4b602175a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96f3ea0467dc6393d7c4b602175a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ae286ae8a209bc659ace6354b79abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf50c8be8e33ada7685069f84249b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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