解题方法
1 . 已知函数
.
(1)当
时,证明:
;
(2)证明不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd68e1aabcfd4a155d9bd68ff48352c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab42740d8f095b5f7825d14c4c312096.png)
(2)证明不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1d765949bb48a6129bc42696c2c15f.png)
您最近一年使用:0次
解题方法
2 . 若函数
恰有三个单调区间,则实数
的取值范围为___________ .
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985676013568/1572985681469440/STEM/462335ded9e14cfa947fd579e63b6f18.png?resizew=129)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985676013568/1572985681469440/STEM/2e7b4cdcf9114ee58b7abe6be51a6159.png?resizew=13)
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3 . 设函数
其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20df473e685c5b2a0dad3a3dc50fcf13.png)
(Ⅰ)若曲线
在点
处的切线方程为
,求
的值;
(Ⅱ)讨论函数
的单调性;
(Ⅲ)设函数
如果对于任意的
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6526f873f5ad9f60bf837cbde2ca5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20df473e685c5b2a0dad3a3dc50fcf13.png)
(Ⅰ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebb3b7f47e0decd48e64cb32aaa5903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ed5d33a17b70bd274197bb7f9be5c5.png)
(Ⅱ)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(Ⅲ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71d0ccdb17afd2cc485d487a8cc4e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0441dfde02430173a36ffdbb31da9c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cab32474ff45a453afb1b6fd848c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
R
,曲线
在点
处的切线方程为
.
(Ⅰ)求
的解析式;
(Ⅱ)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c038798c2200109b0512232a2cf15300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7838a5719224b995cecb2d28518ed8f.png)
(Ⅰ)求
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570828288/STEM/558032fddeed423184d1a5591e1bdf00.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92e622e0dbd757c15afd02e7337254c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6457eea5b2878b89336c2b91584ba4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-04更新
|
1737次组卷
|
2卷引用:2015-2016学年山东省曲阜师大附中高二下4月月考理科数学试卷
名校
5 . 设函数
在
处可导,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1977ee9ab11ab5683eefcb5fb25144.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
661次组卷
|
3卷引用:2015-2016学年山东省曲阜师大附中高二下4月月考理科数学试卷
6 . 已知
,用综合法或分析法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21bd168df7c0ce6412d4b9909d9bffec.png)
您最近一年使用:0次
7 . 请你设计一个包装盒.如图所示,
是边长为
的正方形硬纸片,切去阴影部分所示的四个全等的等腰直角三角形,再沿虚线折起,使得
四个点重合于图中的点
,形成一个正四棱柱形状的包装盒,
在
上,是被切去的一个等腰直角三角形斜边的两个端点.设
.某厂商要求包装盒的容积
最大,试问x应取何值?并求出此时包装盒的高与底面边长的比值.
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/eeb77d4620bf4de299a754c5deffb2c1.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/54336141781844e5bd27451d0300ce02.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/7ca7f9a2217d4c73b9fcab9ba96540d1.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/0f98fa0e4a1446fda2ba1332aa5b89a6.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/6d5f17a1440e43aebe206e33a4e67cdb.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/94c0a7c8819045b2a892eca702d28c55.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/5118559fc2ed4d8d91d4e000a0f62f7e.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/86bfb4b1bb944f369f7e1a8240d943b1.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570795520/STEM/7d203e78ef154a428592632a1fa27483.png)
您最近一年使用:0次
8 . 已知某物体的运动方程是
,则当
时的瞬时加速度是
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570443264/STEM/f337ce4b3c534e4985d91d17cc83edad.png)
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570443264/STEM/9c5a6ecd7c064766a7ac6f51db10fa00.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 设
,则函数
单调递增区间是_____________ .
![](https://img.xkw.com/dksih/QBM/2016/8/19/1572985564930048/1572985570656256/STEM/67c9c46e7417487081aeb1227c6ff2af.png?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
10 . 设
,则
的单调递增区间为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19667eb6cb9b424f52d2880ffecbae0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次