已知函数
.
(1)讨论
的单调性;
(2)若
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed93ec931ee41634e7ba74e198569b7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a12face4c6580ea05c3bfa1911cee88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2021·广东佛山·模拟预测 查看更多[3]
广东省佛山市五校联盟2021届高三5月数学模拟考试试题(已下线)专题3.7 导数的综合应用-重难点题型精讲-2022年高考数学一轮复习举一反三系列(新高考地区专用)(已下线)专题12 利用导数解决函数的单调性-学会解题之高三数学万能解题模板【2022版】
更新时间:2021-06-22 14:51:50
|
相似题推荐
解答题-证明题
|
困难
(0.15)
解题方法
【推荐1】已知
,函数
,
.
(1)求曲线
在点
处的切线方程;
(2)证明:
存在唯一的极值点;
(3)若存在
,使得
对任意
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ca7268ec2c0a1f8fc34a45b5f97cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d1fc6f50bf6d0b1504092ac98c5597.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ebcdbf5fd576e70e160e38e663f690.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b60687b8d8b79e40eae1501fbfb909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d1fc6f50bf6d0b1504092ac98c5597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
【推荐2】已知函数
.
(1)求函数
的单调性;
(2)若函数
有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de32c3cc7b313a5239851d2648251e1d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fc7e1548485767aa800a67bac995c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-证明题
|
困难
(0.15)
名校
【推荐3】已知定义在
上的函数
,其导函数为
,记集合
为函数
所有的切线所构成的集合,集合
为集合
中所有与函数
有且仅有
个公共点的切线所构成的集合,其中
,
.
(1)若
,判断集合
和
的包含关系,并说明理由:
(2)若
(
),求集合
中的元素个数:
(3)若
,证明:对任意
,
,
为无穷集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e290a420338f17160641e7d081a868f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925be8927ea9b4f42bf9519eb8c55405.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
名校
【推荐1】已知函数
(
为常数).
(1)当
时,求函数
的单调区间;
(2)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e434cdfa4e8c3aa5e5756865de361b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f6313f09d17496008ebe3cc1fca0ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
【推荐2】已知函数
.
(1)当
时,求
在
处的切线方程;
(2)对于任意
,
恒成立,求
的取值范围;
(3)试讨论函数
的极值点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c872fe8337ebee2271884685a633cc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc447e38e268336b52e6f0a9b1a8bbd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72121844b80009dd0d192cb08cc0aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d16b7e6997691bc5249bb7bc311952d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0190402154a41df5d95f13f9d1956dc.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfcd61238e137f2c632ab4c32340983.png)
(1)讨论函数
的单调性;
(2)令
,若
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfcd61238e137f2c632ab4c32340983.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4111cb6edf2ee23fa1ee5accea978b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752aded7314f87be534dc07aac2c92f2.png)
您最近一年使用:0次