名校
1 . 设函数
.
(1)当
,
时,
恒成立,求
的范围;
(2)若
在
处的切线为
,求
、
的值.并证明当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212ed9b23983b9e8462e169e8b442c2c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168163183a3d4663be45755f44676191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c513e5d9183d11d2cc62eab6e305d5c.png)
您最近一年使用:0次
2018-03-02更新
|
1586次组卷
|
12卷引用:河北省邢台市第一中学2020-2021学年高二下学期第三次月考数学试题
河北省邢台市第一中学2020-2021学年高二下学期第三次月考数学试题河南省豫南九校2018届高三下学期第一次联考试题理科数学河南省豫南九校2018届高三下学期第一次联考理数试题【全国百强校】黑龙江省鹤岗市第一中学2019届高三上学期第三次月考数学(理)试题【全国百强校】河北省邢台市第一中学2018-2019学年高二下学期第三次月考数学试题江苏省南通市如皋中学2019-2020学年高一(创新班)下学期6月阶段考试数学试题2020届广东省惠州市高三6月模拟数学(理)试题河北省冀州中学2021届高三上学期第三次月考数学试题云南省曲靖市罗平县第二中学2019-2020学年高二下学期期末考试数学(理)试题云南省曲靖市罗平县第二中学2019-2020学年高二下学期期末考试数学(文)试题四川省宜宾市叙州区第二中学校2022届高三三诊模拟考试理科数学试题(已下线)第九章 导数与三角函数的联袂 专题三 含三角函数的恒成立问题 微点2 三角函数的恒成立问题(二)
名校
解题方法
2 . 已知
,函数
.
(1)若曲线
在点
处的切线的斜率为
,判断函数
在
上的单调性;
(2)若
,证明:
对
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ec0f112f81bbc09434743eeb2fdf17.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d9b668cdc64c34cf49962b3fadadf9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c82e03a254bea3f5f5e1e4d17a9fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6711f624336a86026873ac5616ac72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
您最近一年使用:0次
2018-02-22更新
|
857次组卷
|
7卷引用:河北省邢台市2018届高三上学期期末考试数学(理)试题
3 . 已知函数
.
(1)设函数
,若曲线
在点
处的切线方程为
,求
的值;
(2)是否存在实数
,使得
对
恒成立?若存在,求
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81344623eb224cd50013c7ba7844bfa8.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4f764b0d11755922ef4f6c55297248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cf0f8829ad6ed064ba129545b2d3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109c14e7a0c4dce57fd2b86eba638692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8748f9bf0e49e067f65b9ce54c4718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知
,函数
.
(1)若曲线
在点
处的切线的斜率为
,求
的值;
(2)设
,证明:
对
恒成立;
(3)若
,证明:
对
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f7f23e7f20dd8bc65a4967cd306782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e024451d190b9b36d9c539ed1a6aebe.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d548342971e2f9d88d1d986d3f57437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880270d8cc1cf4f9e380f8963cb9f84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c82e03a254bea3f5f5e1e4d17a9fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6711f624336a86026873ac5616ac72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
您最近一年使用:0次
5 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若对任意的
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d092354d8581d0c33e90ceec313b28c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccc99093ff159b3f94de7033dadde16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d0cd47609b9d1865dfff4979161cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-12-08更新
|
488次组卷
|
2卷引用:河北省邢台市育才中学2018届高三上学期第三次月考数学(文)试题
名校
6 . 已知函数
且
.
(1)若函数
区间
上单调递增,求实数
的取值范围;
(2)设函数
,
为自然对数的底数.若存在
,使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed03177c6fdeea23ee900ec505848663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49555ee4db8c9842b0a3a7d6dfb1dda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cf94a58e714ed5c8de2591020c1b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b623e2b86cf5e6d3b9f157fa9787a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2017-11-06更新
|
1013次组卷
|
4卷引用:河北省邢台市2018届高三上学期第二次月考数学(文)试题
7 . 已知函数
的图象在点
处的切线方程为
.
(1)求曲线
在
处的切线方程;
(2)若存在
,满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8f4a6569b89b136bc697b099d94354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59cee971344ed593ff082a65d177c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa7643069ed26c098512069b393deef.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f6ddae0d485425bccc909b9232ed91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7e5c1831c9c6fdf8012992ded1b360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522215c9ecd7ed454a04ed65dfe33d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-09-23更新
|
794次组卷
|
3卷引用:河北省邢台市育才中学2018届高三上学期第三次月考数学(理)试题
名校
8 . 设函数
在
上存在导函数
,对任意的实数
都有
,当
时,
.若
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4abd4064842d8bac6d030d2d18364ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842c2ef9893cc67e621e272fa0be9926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2252991c07ea8bff685047fcd23e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6696955ff8ffafbb9a9c07c0138cff00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-09-19更新
|
1359次组卷
|
8卷引用:河北省邢台市第二中学2018届高三上学期第一次月考(开学考试)数学(理)试题
9 . 如图,已知抛物线
,圆
,过抛物线
的焦点
且与
轴平行的直线与
交于
两点,且
.
![](https://img.xkw.com/dksih/QBM/2017/9/22/1779463188201472/1779555045777408/STEM/3390c66669e74ea8b1602356a45f809e.png?resizew=208)
(1)证明:抛物线
与圆
相切;
(2)直线
过
且与抛物线
和圆
依次交于
,且直线
的斜率
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf92a1ba410263d4f68b7e0432b19aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d61b782b1ea989c04da2b9c967e81f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/537b7e7023f51efd2ae019d660d4a614.png)
![](https://img.xkw.com/dksih/QBM/2017/9/22/1779463188201472/1779555045777408/STEM/3390c66669e74ea8b1602356a45f809e.png?resizew=208)
(1)证明:抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21543d22e364aeae9e6393bea5ed943a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807b75cadcc40565169342f65b0d8e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2135ff2675324de8a374aadca74e869f.png)
您最近一年使用:0次
2017-09-02更新
|
708次组卷
|
5卷引用:河北省邢台市内丘中学2018届高三8月月考考试数学(文)试题
河北省邢台市内丘中学2018届高三8月月考考试数学(文)试题河南省长葛一高2018届高三上学期开学考试数学(文)试题河北省承德二中2018届高三上学期第一次月考文科数学试卷(已下线)第42讲 解析几何中的长度之和差积商平方问题-2022年新高考数学二轮专题突破精练(已下线)专题9.9 圆锥曲线的综合问题(讲)-浙江版《2020年高考一轮复习讲练测》
名校
10 . 已知函数
.
(1)求函数
的单调区间和极值;
(2)是否存在实数
,使得函数
在
上的最小值为
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87ddae11c4ba01e12bcaf3419a22e2f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579e2c39e6c0a640357e3b0ccd6f954a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-08-13更新
|
432次组卷
|
5卷引用:河北省邢台市2016-2017学年高二下学期期末考试数学(文)试题
河北省邢台市2016-2017学年高二下学期期末考试数学(文)试题(已下线)专题3.3 导数与函数的极值、最值-2021年高考数学(理)一轮复习-题型全归纳与高效训练突破(已下线)专题3.3 导数与函数的极值、最值-2021年高考数学(文)一轮复习-题型全归纳与高效训练突破安徽省滁州市定远县重点中学2020-2021学年高三上学期1月质量检测数学(理)试题山东省济宁市育才中学2022-2023学年高三上学期开学数学试题