1 . 已知函数
的定义域
,若
在
上为增函数,则称
为“一阶比增函数”;若
在
上为增函数,则称
为“二阶比增函数”.把所有由“一阶比增函数”组成的集合记为
,把所有由“二阶比增函数”组成的集合记为
.(1)已知函数
,若
且
,求实数
的取值范围;
(2)已知
,且存在常数
,使得对任意的
,都有
,求
的最小值.
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/7883d493872e48c4b59d40f4b1ef730a.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/acfcc1e0593b4708973f34af348635a5.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/0ab73e3d2e704ba5b237509b882f5d9a.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/acfcc1e0593b4708973f34af348635a5.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/7883d493872e48c4b59d40f4b1ef730a.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/bb17ddef0b8c4533bef783a1fb54f9d6.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/acfcc1e0593b4708973f34af348635a5.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/7883d493872e48c4b59d40f4b1ef730a.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/4b3ba5b1504e4d9e8f1e3b75a5b95993.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/4e4283201d134a7da1c3f1bb96528e7f.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/04dcd8902db643e2b6fc4b42e557a68f.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/1e41a09e28984f368f3dce3e156c3250.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/8471bbc0c4f74a6bb33570c2e8232193.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/b9367e9ca1664746a7a68925750743d7.png)
(2)已知
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/1fe9a70470b34effa0250815bde4d252.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/98584887331c4f36911b1baf917adfd6.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/42d0aa28fbc34efab7a6713076f0cdef.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/213438ad756944638e5ce4789688672b.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572388513095680/1572388519346176/STEM/98584887331c4f36911b1baf917adfd6.png)
您最近一年使用:0次
2016-12-03更新
|
189次组卷
|
2卷引用:2016届山西省山西大学附中高三10月月考理科数学试卷
解题方法
2 . 求下列函数的值域.
(1)求函数
的值域.
(2) 求函数
的值域.
(3)求函数
,
的值域.
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0237a702827bade26c763618e30feb25.png)
(2) 求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c56884700fe9a6f367c20037ee33964.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1e442499d2a35ff7eeb160061ccf38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7174a05c4cb380b63dc332c6d695491.png)
您最近一年使用:0次
解题方法
3 . 设函数
是定义域为R的奇函数
(Ⅰ)若
,试判断函数单调性并求使不等式
在定义域上恒成立的
的取值范围;
(Ⅱ)若
,且
在
,
上最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041622d72d3ba99cd15524da8617679e.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f54ecfa11026d97c8d315e55e0d34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430ecadf733b60dbe173dd4ce8b5734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c85886dad735d5b8048ba3d3eab4ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683a34e929399278f319421486390cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f124fb9eab689c537bb5ddf5012e35f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7ddb5245cbaa046b6e554dcb540a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
12-13高一·全国·课后作业
4 . 已知函数f(x)=的定义域为R,值域为
,求m,n的值.
您最近一年使用:0次
2016-12-02更新
|
2215次组卷
|
6卷引用:2012年北师大版高中数学必修1 3.5对数与对数函数练习卷
(已下线)2012年北师大版高中数学必修1 3.5对数与对数函数练习卷2018年高考数学理科训练试题:专题(6) 指数函数、对数函数、幂函数智能测评与辅导[理]-函数的性质沪教版(上海) 高三年级 新高考辅导与训练 第一章 集合与函数 三、指数函数与对数函数(已下线)考点13 对数与对数函数(考点专练)-备战2021年新高考数学一轮复习考点微专题第二届高一试题(初赛)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
12-13高一上·广东·期末
5 . 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