名校
1 . 已知函数
在
上恒不大于0,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43bfa3621233906621404f8e0c62e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.0 | D.1 |
您最近一年使用:0次
2019-09-23更新
|
472次组卷
|
4卷引用:河北省邢台市2018-2019学年高二下学期期末考试数学(理)试题
名校
2 . 已知函数
.
(1)若
,求
的零点个数;
(2)若
,
,证明:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0741ddac30027c3b38d80011410ae5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c712829d60b4ea93966a5c68c24d677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10826cd4c38b66e38c5814bc194db4db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d41d398944a02f613784ff1ceeaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b017de7aec0711fef053f1a0197a3.png)
您最近一年使用:0次
2019-07-29更新
|
895次组卷
|
5卷引用:河北省邢台市2018-2019学年高二下学期期末考试数学(理)试题
3 . 已知函数
.
(1)求
的单调区间;
(2)若
,证明:
;
(3)若
,直线
与曲线
相切,证明:
.
(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f46c0c6bac05fdfe761c42b3c5799a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963b11b722d4b7e8b5f048954166673f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc64e6a29b8d9d3a7e23b24f22a14db9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18b4e7b5b0e4d4e3803654a89770b12.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb32b8e1404a7ba54eb083ff0386380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f89f25b1573fe92f0e257dd0675aee0.png)
您最近一年使用:0次
2019-01-13更新
|
552次组卷
|
2卷引用:【市级联考】河北省邢台市2019届高三期末测试数学(文)试题
名校
4 . 已知函数
,若
(
),
,
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b1237e0ec309c8c8316bfce0a3c21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e158c0e04908fa0d31970f5d3d53c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26eef9ad5b9a39c19f63a6a6f99ee19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005dbddd11c2142b70206ef746b81031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-01-09更新
|
1230次组卷
|
7卷引用:【市级联考】河北省邢台市2019届高三期末测试数学(文)试题
【市级联考】河北省邢台市2019届高三期末测试数学(文)试题【市级联考】甘肃省张掖市2019届高三上学期第一次联考数学(理)试题山西省临汾一中、翼城中学、曲沃中学等学校2018-2019学年高二上学期期末数学(文)试题河北省廊坊市香河县第一中学2020届高三下学期3月模拟1数学(理)试题安徽省宣城中学2020-2021学年高二下学期期中文科数学试题吉林省扶余市第一中学2019-2020学年高二上学期期中数学(文)试题(已下线)第七章 导数与不等式能成立(有解)问题 专题四 双变量能成立(有解)问题的解法 微点1 双变量单函数能成立(有解)问题的解法
名校
解题方法
5 . 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
6 . 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
7 . 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
名校
8 . 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