已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若不等式
对任意
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17135f86c3216f46db21a81423ad5b75.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39193e0b56cad20a484ec9afc594973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
20-21高三·云南昆明·阶段练习 查看更多[7]
云南省昆明市第一中学2021届高三第五次复习检测数学(文)试题(已下线)黄金卷08-【赢在高考·黄金20卷】备战2021年高考数学全真模拟卷(山东高考专用)(已下线)专题28 导数及其应用(解答题)-2021年高考数学二轮复习热点题型精选精练(新高考地区专用)(已下线)专题26 导数及其应用(解答题)-2021年高考数学(文)二轮复习热点题型精选精练(已下线)专题28 导数及其应用(解答题)-2021年高考数学(理)二轮复习热点题型精选精练(已下线)1.3.3 函数的最大(小)值与导数-2020-2021学年高二数学(理)课时同步练(人教A版选修2-2)(已下线)5.3.3 函数的最大(小)值与导数-2020-2021学年高二数学课时同步练(人教A版选择性必修第二册)
更新时间:2021-01-23 09:37:35
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相似题推荐
解答题-问答题
|
较难
(0.4)
解题方法
【推荐1】已知函数
,
.
(1)若曲线
在
处的切线与函数
也相切,求实数
的值;
(2)求函数
在
上的最小值;
(3)证明:对任意的
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a45190981deec3afa7fa82e93f8004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542855d841442d6171e76947f9acbf84.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a45190981deec3afa7fa82e93f8004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542855d841442d6171e76947f9acbf84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4e5019d89d62b5e7e8688980e14c2f.png)
(3)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9a455c75b95a8bbad4dd59f7067920.png)
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名校
【推荐2】设函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)当
时,若函数
在
上是增函数,求a的取值范围;
(3)若
,不等式
对任意
恒成立,求整数k的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31cdb70897c0652d6d70cf66505dfab.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34bebde04b5f27b11a40cae831eed4a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3907da01aa2971e05262ecf58bafe27d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0b4ec3990235ac5827e53d26dc09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae976d6c9c48eb578f1e37394c6709c6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05adfb2023547e23633e1729478f9411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2d6b1a1b8cfd9c83033f918d8d9a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781d357bc47b28e556da50b3db66274b.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
名校
解题方法
【推荐1】已知函数
.
(1)当
时,求函数
在
上的最小值;
(2)若
,不等式
恒成立,求
的取值范围;
(3)若
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c524372217366e9ebea1d736600afc43.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8763706b44319f383d52fcde79c3c8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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名校
解题方法
【推荐2】已知函数
的最大值是
.
(1)求实数
的值;
(2)设函数
,若
,使
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfcbb605fb5c0c117fcb73a274656b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11df92f86c97ed3aa0e153a19e28fbb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eac3ba2858adffcd1f8052cd795269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2654e159f9f96ba8862582fb648778d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
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【推荐3】已知函数
.
.
(1)当
时,求曲线
在点
处的切线方程;
(2)判断函数
的极值点的个数,并说明理由;
(3)若对任意
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0ce11b0940c9a2b3d9d83f73d0487f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.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
|
较难
(0.4)
解题方法
【推荐1】设函数
.
(1)若
时,
恒成立,求
的取值范围;
(2)设
,若方程
的两根分别为
和
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33014eec3bd7c4d96c912159ba86f0d5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0935b0d5568370418871fa7a6c47162d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1f3fb0b613658aab3c7519f52952dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652a93055540bdacedc815faa2977e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8156044332eceaa16df182bb7c37e1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62021ae5d973867d2329642dffe35bb3.png)
您最近一年使用:0次
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【推荐2】已知函数
(其中
).
(1)求
在
处的切线方程;
(2)若函数
的两个零点为
,证明:
+![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51dc59ff48b4bf48d48235380c31b337.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b7dbe5a36a6dc54c9d48587e09d37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff293a328ac3023850eb29ef0e875784.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8012da6c8daa8a39391502497a9795ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a821813418c650ef917ea4fdb0526130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51dc59ff48b4bf48d48235380c31b337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d59f2b93e0978ffe5e5b787e306928b.png)
您最近一年使用:0次
解答题-证明题
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解题方法
【推荐3】设函数
,
(1)若
,且
在(0,+∞)为增函数,求
的取值范围;
(2)设
,若存在
,使得
,求证:
且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959ded591fe42d90cbd6681e392248ca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9484fcea82180e9886a18d7a947b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c97377110c07d1e54217f58dbf1e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7bd6e97b16b750a6c1079edb6b1520.png)
您最近一年使用:0次