1 . 已知函数
,
,且
.
(1)证明函数
在区间
上是增函数;
(2)设函数
. 若区间[2,5]是
的一个单调区间,
且在该区间上
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7590785d8ee40f3d7206d4aa819265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2817c52144d06555e98131b5e657c4.png)
(1)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad24b182074510c1952e5948a6f8230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
且在该区间上
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee31b9dffcd91ff2f5477410bc09f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
2 . 已知
,函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,求函数
在
上的最小值.
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572608365166592/1572608371556352/STEM/ae2d95f0e6ba40ab86642d3456106f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f520cd6d17408bf4eeb8bb902f46ac.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf105efd4cf5f580d0561e54d923e347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af21c55c0038bf249efd676e59a632a1.png)
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3 . 设函数
,对于给定的正数
,定义函数
,若对于函数
定义域内的任意
,恒有
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adb7196e96ddc03d603bc4f9bc8a217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2971a0af1ebdb96a9b01d3b3b5175216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adb7196e96ddc03d603bc4f9bc8a217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7716c0df26b43f96ce978a1d911203.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
4 . 已知函数
在
上是增函数,且
.
(1)求a的取值范围;
(2)求函数
在
上的最大值.
(3)已知
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd59a80f2f76fdde17febdf32cdf726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求a的取值范围;
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50643794ec708efcfa85eb9273590dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/543d93092e6448d792409f7039821ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce7cd4698c7fff8b8fce6afe5b283d6.png)
您最近一年使用:0次
2016-12-03更新
|
658次组卷
|
5卷引用:2014-2015学年广东省珠海市高二下学期期末考试理科数学试卷
5 . 已知函数
,且
,则当
时,函数
的最小值与最大值的和为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d3b6b1d36e625e3ba54fc3a7197972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c244aea0d06e1ea510faebcf254ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d97c5dd615b7752e1eb6c139891f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553ec1d9a0732a355ba8e353a9b1915a.png)
您最近一年使用:0次
2016-12-03更新
|
717次组卷
|
2卷引用:2016届广东省汕头市金山中学高三上学期期末文科数学试卷
14-15高三上·广东中山·期末
名校
6 . 已知函数![](https://img.xkw.com/dksih/QBM/2014/2/25/1571527185080320/1571527190577152/STEM/06402324b60f42cca5e4de8aa4173a03.png?resizew=61)
满足
,且
时,
,则当
时,
与
的图象的交点个数为
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571527185080320/1571527190577152/STEM/06402324b60f42cca5e4de8aa4173a03.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571527185080320/1571527190577152/STEM/d30c7ebe8a624a5a8bac8fc2fe301b2a.png?resizew=50)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b8177461a6adb19db6aaea8cd6fbdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8d299ef49de2a6906fc1fea1dc1c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7119fd623a86a9f0cbc2543690b55215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831da559ea9f04824ed38b1ffba61f9e.png)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571527185080320/1571527190577152/STEM/06402324b60f42cca5e4de8aa4173a03.png?resizew=61)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7221de2cf57e9695bc4769ca47c358c.png)
A.13 | B.12 | C.11 | D.10 |
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2016-12-02更新
|
2689次组卷
|
11卷引用:2014届广东省中山市高三第一学期期末考试理科数学试卷
(已下线)2014届广东省中山市高三第一学期期末考试理科数学试卷广西南宁三中2019-2020学年下学期高二期末考试(重点班)文科数学试题(已下线)综合复习与测试培优练习(卷一)-【提升专练】2021-2022学年高一数学新教材同步学案+课时对点练(苏教版2019必修第一册)2020届陕西省榆林市高三模拟第一次测试文数试题河北省承德第一中学2020届高三下学期3月线上考试数学(文)试题黑龙江省鸡西市第一中学2019-2020学年度高一下学期期中考试数学试题(已下线)第07练 函数的图像-2021年高考数学(文)一轮复习小题必刷(已下线)第07练 函数的图像-2021年高考数学(理)一轮复习小题必刷(已下线)6.2+指数函数(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第一册)安徽省六安市舒城中学2020-2021学年高一上学期12月第四次月考数学试题(已下线)专题05 指数函数、对数函数和幂函数-2022年高考数学一轮复习小题多维练(新高考版)
12-13高一上·广东·期末
7 . 已知函数
(
),将
的图像向右平移两个单位,得到函数
的图像,函数
与函数
的图像关于直线
对称.
(1)求函数
和
的解析式;
(2)若方程
在
上有且仅有一个实根,求
的取值范围;
(3)设
,已知
对任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6164f939e4871234f2d229fd1baa9687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2629d7ba67bc8caed81c64c3c1341275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4f89425931d1914d747f5c08e379b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
12-13高一上·广东·期末
8 . 已知函数
,
,
,且
,
.
(1)求
、
的解析式;
(2)
为定义在
上的奇函数,且满足下列性质:①
对一切实数
恒成立;②当
时,
.
(ⅰ)求当
时,函数
的解析式;
(ⅱ)求方程
在区间
上的解的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2dee33e1ec680bc2e97ab9e718f971c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcbdb0afd8200a8f648d59b393d05eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cf10bc38bfa463a10a4f35fc554a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da80d265dedd20a6edbf855c711b7a4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be8cb686d502f4ca6333408f204423b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca0a0b740ea233972c7489ffa51d757.png)
(ⅰ)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16589640a4b86c5c10620b267884982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(ⅱ)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7944248e37bbd45f6e520b146fdb294f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e475894c83f3d2fa5a3246207bde82c4.png)
您最近一年使用:0次
12-13高一上·广东广州·期末
9 . 如图,
是边长为2的正三角形,记
位于直线
左侧的图形的面积为
.
![](https://img.xkw.com/dksih/QBM/2012/2/6/1570717257007104/1570717262675968/STEM/572894eba2954c0e8b605770d7f9ebfc.png?resizew=137)
(1)求函数
解析式;
(2)画出函数
的图像;
(3)当函数
有且只有一个零点时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6492ac870d4fdeee5bc2f9af58abe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6492ac870d4fdeee5bc2f9af58abe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83635a6f453f357a41891d8c6479451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5c03ebff0ac915599e680e38a875e7.png)
![](https://img.xkw.com/dksih/QBM/2012/2/6/1570717257007104/1570717262675968/STEM/572894eba2954c0e8b605770d7f9ebfc.png?resizew=137)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5c03ebff0ac915599e680e38a875e7.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b793f4b3980348c0d679bfc8935683e.png)
(3)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587738aff4fde545ec3fd2ad5fe9d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10-11高一下·广东汕头·期末
10 . 设实数
、
同时满足条件:
,且
,
(1)求函数y=f(x)的解析式和定义域;
(2)判断函数y=f(x)的奇偶性;
(3)若方程
恰有两个不同的实数根,求k的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a811b93ffedce05ef266b6862f9718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a5cba44014b83519e76eeef75afe36.png)
(1)求函数y=f(x)的解析式和定义域;
(2)判断函数y=f(x)的奇偶性;
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2dd3cfdb3aa02a87ae1293a55c13358.png)
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