名校
1 . 已知函数
(
).
(1)求证:函数
是增函数;
(2)若函数
在
上的值域是
(
),求实数
的取值范围;
(3)若存在
,使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184e807923973e050bc5cc153a5f915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e846c2563b54d7b68e51119addda5022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88efbe4c812bb90d2f5a11697eab3898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-11-14更新
|
238次组卷
|
2卷引用:上海市宝山区海滨中学2017-2018学年高一上学期期末数学试题
2 . 已知函数
其定义域内是奇函数.
(1)求a,b的值,并判断
的单调性(写简要理由,不要求用定义证明);
(2)解关于x不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e519e97b022661989800ce7764b523e.png)
(1)求a,b的值,并判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解关于x不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba2b5be7953462b868d08eb8013b191.png)
您最近一年使用:0次
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f8e878b638cd4b8e75893a01a4133f.png)
,且
.
(1)判断并证明
在区间
上的单调性;
(2)若函数
与函数
在
上有相同的值域,求
的值;
(3)函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503b3dc9a8de73a0faaf24b71fee14c7.png)
,若对于任意
,总存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f8e878b638cd4b8e75893a01a4133f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf4b0fe80d36b6aac55accd41ef466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d834be776e348774f913dca7cf95f62.png)
(1)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a08617d5b247b3f23946f3a64944d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503b3dc9a8de73a0faaf24b71fee14c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bcb19442a2906336452a2183ce2d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5d499666f20047af33ad30482efd37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07444159fdea87a306d2ea12cd6f027c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60621055d8796dac79770c924e49277d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2020-01-21更新
|
956次组卷
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2卷引用:江苏省徐州市2019-2020学年高一上学期期末数学试题
名校
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c0defd92f31321b2780d6f933f0086.png)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c68a2069441426b7c4766dc651ced4.png)
(2)若函数
的图象与直线
没有交点,求实数
的取值范围;
(3)若函数
,则是否存在实数
,使得
的最小值为
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c0defd92f31321b2780d6f933f0086.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c68a2069441426b7c4766dc651ced4.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbcac966628a36c8a060788fc772ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0eb0385ff5b5d5d44953b0d35476b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b6b32d8aa940d1fe87b806d4865cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6c8b2a543df633d7ec8a3bd3c1ebb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-03-18更新
|
979次组卷
|
3卷引用:【市级联考】四川省广安市2018-2019学年高一(上)期末数学试题
名校
5 . 设函数
(
且
,
),
是定义域为
的奇函数.
(1)求
的值,并证明 :当
时,函数
在
上为增函数;
(2)已知
,函数
,
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5bda9e69bcf53e0821f3388b56eae7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fbec93189276445b83c6df4e9f4866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5ce1d9943135b4986a5896071fd579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2019-12-29更新
|
703次组卷
|
4卷引用:辽宁省丹东市第四中学2022-2023学年高一上学期期末数学试题
辽宁省丹东市第四中学2022-2023学年高一上学期期末数学试题浙江省杭州市西湖高级中学2019-2020学年高一上学期10月月考数学试题(文化班)(已下线)模块四 专题6 大题分类练(函数的概念与性质)基础夯实练(人教A)(已下线)专题11 幂指对综合大题归类
6 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6de40a885f9e7b345bd497ba8e471d.png)
.
(1)当
时,函数
的图像经过点
,试求
的值,并写出(不必证明)
的单调递减区间;
(2)设
,
,
,若对于任意的
,总存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6de40a885f9e7b345bd497ba8e471d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616d488c6b5efa1bea37439bcd619b55.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5ea3feeb78559a6af14fb6301f346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714514ae3390d240d25441119c787b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c0e1afa671a2fc00026bd2bb9749f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17939ee9d41cb5a00ad55df75d87356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b17615a18154554cb33f7a95e4c27ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de20b31c77afbccd0c6e74bf9cf34d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-08-17更新
|
607次组卷
|
2卷引用:上海市宝山区2018-2019学年度高一下学期期末数学试题
7 . 已知函数f(x)=x2+ax+b,实数x1,x2满足x1∈(a-1,a),x2∈(a+1,a+2).
(Ⅰ)若a<-
,求证:f(x1)>f(x2);
(Ⅱ)若f(x1)=f(x2)=0,求b-2a的取值范围.
(Ⅰ)若a<-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0e7bfbd56fe73dfe04c04da749d942.png)
(Ⅱ)若f(x1)=f(x2)=0,求b-2a的取值范围.
您最近一年使用:0次
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e1c34e767abf34e4e1c1a4e41877ca.png)
(1)求证:
是偶函数;
(2)若
在
恒成立,求m的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e1c34e767abf34e4e1c1a4e41877ca.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66282028f87237a5dc0bebb7ae338af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0ccc3f3e2bf682614ec751259ba55b.png)
您最近一年使用:0次
名校
9 . 已知
,若函数
在区间
上的最大值为
,最小值为
,令
.
求
的函数解析式;
不要证明,请直接写出函数
的单调区间,并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39f61dba88035bd8446811d5b5fb046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380fe2b412638a724cc635f1118da005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876d633b005cf98b31b68fc920684dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6e957634e4df274dd7c3dd081d3e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e720d1071951f806b5d00a003f8f7516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a31d9ff4fb200cf8fdcb980684f90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dffc1e1569287ae3a29dcad8ce1401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dffc1e1569287ae3a29dcad8ce1401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dffc1e1569287ae3a29dcad8ce1401.png)
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2019-04-08更新
|
578次组卷
|
6卷引用:2016-2017学年湖北省黄冈市黄冈中学高一上学期期末模拟测试二数学试卷
2016-2017学年湖北省黄冈市黄冈中学高一上学期期末模拟测试二数学试卷2016-2017学年江西新余四中高一上段考一数学试卷【校级联考】湖南省湘潭县一中、双峰一中、邵东一中、永州四中2018-2019学年高一下学期优生联考数学试题四川省自贡市田家炳中学2019-2020学年高一上学期期中数学试题(已下线)专题01 函数性质、方程、不等式等相结合问题(第一篇 热点、难点突破篇)(练)-2021年高考数学二轮复习讲练测(浙江专用)(已下线)3.2.1.2 函数的最大值、最小值(课时作业)-2020-2021学年上学期高一数学同步精品课堂(新教材人教版必修第一册)
解题方法
10 . 已知函数
,
.
(Ⅰ)当
,
时,求
的最小值(用
表示);
(Ⅱ)记集合
,集合
,若
,
(i)求证:
;
(ii)求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f999f08ecb8d23752dc451cec73219c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd42f780c2a802ec023ca445d193a5e.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c2c4b82d87e769807270fc5361fde3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292d4d1675298d11d1cba3b2867c7572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b325d394a4dff23dfb9888325171cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3255a5457f2e4eec0f6fe1bf2f8099e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5fb5ae3d077beeae781da19e0b21c7a.png)
(i)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47aed4c293bb0f322b2e24085ae3d426.png)
(ii)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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