名校
1 . 已知函数
的图象为曲线
,若曲线
存在与直线
垂直的切线,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1862bfb007483e24b59a1c5d666727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c21ab40ef86e0f4c996da62ecbbef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-11-22更新
|
1696次组卷
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7卷引用:【全国百强校】广东省汕头市金山中学2019届高三上学期期中考试数学(文)试题
名校
2 . 已知函数
,如果存在唯一的
,使得
成立,则实数a的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcebab3041f66919c1878a9eb29355c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8e217022d22631b052cf92b0e4fa52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677f15ba0352c5baeab1d8ed28f3fb4e.png)
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3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544b9d456bf6156dfd1e6fd958242e03.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(Ⅰ)当
时,求
的单调区间;
(Ⅱ)若
,使
成立,求参数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544b9d456bf6156dfd1e6fd958242e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd9be51fac59ed0ac89031374d29cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe45f0c0592df42c7d3bc91ab4ba8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9a8ffbd5b6f2aa1e6010f01506c64f.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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffc4c451fd89ac432173b2af81a868e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70091a41063af1169dbc1762e9583e.png)
(Ⅰ)讨论函数
的单调性;
(Ⅱ)若对于任意的
,都存在
,使得不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffc4c451fd89ac432173b2af81a868e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70091a41063af1169dbc1762e9583e.png)
(Ⅰ)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(Ⅱ)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c88538433dda39931b2d347a8848e44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c0c2a7d49fd55b1b1dc59d65dc4458.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a812be4312d0850931ec47d0c975094.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2016-12-04更新
|
873次组卷
|
3卷引用:2015-2016学年广东省高州一中高二下期中理科数学试卷
名校
解题方法
5 . 已知函数
.
(1)若
,判断函数
是否存在极值,若存在,求出极值;若不存在,说明理由;
(2)设函数
,若至少存在一个
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9f461dfa344f05533db6a9fac2ce6e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460aa97757bc1b09168e408432b4cf28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110fb6ee651d45e94dede40035675714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fddbca21e68bfe772a5fc43d8cb785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-04更新
|
432次组卷
|
2卷引用:2015-2016学年广东省惠州市高二上学期期末文科数学试卷
6 . 设函数f(x)=(1+x)2﹣2ln(1+x)
(1)若定义域内存在x0,使得不等式f(x0)﹣m≤0成立,求实数m的最小值;
(2)g(x)=f(x)﹣x2﹣x﹣a在区间[0,3]上恰有两个不同的零点,求a范围.
(1)若定义域内存在x0,使得不等式f(x0)﹣m≤0成立,求实数m的最小值;
(2)g(x)=f(x)﹣x2﹣x﹣a在区间[0,3]上恰有两个不同的零点,求a范围.
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7 . 已知
,函数
,
.(
的图象连续不断)
(1) 求
的单调区间;
(2) 当
时,证明:存在
,使
;
(3) 若存在属于区间
的
,且
,使
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477b474607f57fc346d59db1f3020524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1) 求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2) 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01281f38c1168109c2cc0542acca11b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607adc8b3df393a08070c6f603812b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c953f00d50a02579c3c9020f21bcc3f7.png)
(3) 若存在属于区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db4352e72f24c65e11d8fc6162fdce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb7b46ff24ab502e42d63c745a7575d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb2d7e097305f690d86b158a0cca2c9.png)
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2016-11-30更新
|
2059次组卷
|
6卷引用:2013届广东省湛江一中高三5月高考模拟考试理科数学试卷
(已下线)2013届广东省湛江一中高三5月高考模拟考试理科数学试卷(已下线)2015届广东省惠州市高三第二次调研考试理科数学试卷2011年天津市普通高等学校招生统一考试理科数学(已下线)2012届江苏省东海二中高三第三次学情调查数学2017届黑龙江省哈尔滨市第九中学高三二模数学(文)试卷(已下线)考点14 利用导数解决综合问题-备战2022年高考数学典型试题解读与变式
11-12高二下·广东梅州·阶段练习
解题方法
8 . 已知
,
,
(1)求函数
在
上的最小值;
(2)存在
,使得
成立,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9812914baaa384a8f7fbd323cbe039.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3696c14fd7401ca2fd97865db4d9a2f.png)
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110fb6ee651d45e94dede40035675714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0821dd73cd58f5b7dc26dbea4b7eed29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2010·浙江·一模
解题方法
9 . 已知函数![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/5e64765754e44a58816d5b46210b9a89.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/bb267d8852d6434d908feeeec0175a8f.png?resizew=234)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/5e64765754e44a58816d5b46210b9a89.png?resizew=12)
.
(Ⅰ)求函数
的单调区间;
(Ⅱ)若函数
的图像在点
处的切线的斜率为
,问:
在什么范围取值时,对于任意的
,函数
在区间
上总存在极值?
(Ⅲ)当
时,设函数
,若在区间
上至少存在一个
,使得
成立,试求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/5e64765754e44a58816d5b46210b9a89.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/bb267d8852d6434d908feeeec0175a8f.png?resizew=234)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/5e64765754e44a58816d5b46210b9a89.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/5e64765754e44a58816d5b46210b9a89.png?resizew=12)
(Ⅰ)求函数
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/eabb122f339b4673a115fe5493b27314.png?resizew=36)
(Ⅱ)若函数
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/9961606044494457a31de3585628468b.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/d3893716caf54b31b91c6acfd4d61ba2.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/20d90ee520a44200b95624553199767f.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/37649954997f4e31818df3de7b59f01a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/9409476e3b564e78a828efda9522c030.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/96a5d13fb62749ba9ae7c80cef0bb276.png?resizew=172)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/18cc7564ddac4050b8a9f2badb6d14d2.png?resizew=32)
(Ⅲ)当
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/f1fb9026bfef46ca8ad18667df9ff3dc.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/35e2ec5761734780b95ccd82108c3ac9.png?resizew=184)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/02f0912425bf4d37a37ab981974e9134.png?resizew=32)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/3f65fc70aa3649b0b80daee804cd5bea.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/671a0b8b01324a4082b28231e1c55ee2.png?resizew=95)
![](https://img.xkw.com/dksih/QBM/2011/12/31/1570670850367488/1570670856126464/STEM/6ae026eb70fb47c6b9379a339c371c56.png?resizew=16)
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9-10高三·湖南长沙·阶段练习
10 . 已知
,函数
,
,
.
(I)求函数
的单调递减区间;
(Ⅱ)若在区间
上至少存在一个实数
,使
成立,试求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e3317dd110866905a40aa581d694f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7df78a819167f29387f220bf1451cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(I)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950fdd0fb407e00752a55f81e3e644c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fddbca21e68bfe772a5fc43d8cb785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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