名校
解题方法
1 . 已知函数
,
.
(1)若
,证明:
;
(2)若
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877e302bb552f3b17d4428b7c48629ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495b767764be7fd47876dcebb6f51970.png)
您最近一年使用:0次
2022-06-20更新
|
665次组卷
|
2卷引用:重庆市育才中学校2023届高三上学期开学考试数学试题
名校
解题方法
2 . 已知函数
.
(1)若
恒成立,求实数
的值;
(2)当
时,若
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f801949ad0c1dae5f91784994fff58.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3417699eb4a32521b7ff1f7b2a1d5f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0db2c49919467a2e14540f2aabd05cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c98c995fc2687a803998d262d754e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
2022-06-13更新
|
670次组卷
|
2卷引用:重庆市永川北山中学校2023届高三下学期入学考试数学试题
名校
解题方法
3 . 已知函数
,若
在点
处的切线方程为
.
(1)求
的解析式;
(2)求函数
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829d2a4d3fed5033099a9a2c3da4663d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373e940578737a54a51be72e53a31c36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
您最近一年使用:0次
2022-08-31更新
|
638次组卷
|
3卷引用:重庆市第八中学校2023届高三上学期入学考试数学试题
名校
4 . 已知函数
.
(1)若
为
的极小值点,求实数
的值;
(2)已知集合
,集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186d507773caa137b274ee0ae618615f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acad0de83c883a2cb9a2e27ac1843471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0f62d27741ac415ed44630ac451ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-09-13更新
|
278次组卷
|
3卷引用:重庆市第八中学2024届高三上学期入学测试数学试题
名校
解题方法
5 . 已知函数
定义域为
,
,且满足
,其中
为
的导函数,若不等式
恒成立,则正实数
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec2cdfedd4fc22a0551a0723ccfeb4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d77d3d73d69cb50cf5e4a1bc0fb834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 设函数
,(
).
(1)若
,求函数
在点
处的切线方程;
(2)若
时,函数
的最小值为
,求实数
的取值范围;
(3)试判断
的零点个数,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9d8fa8518c46abf0d1948b42d48fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2846d0a4765dd7f500956eac66e20b3a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81158db42116f74e7b26e100f88dd535.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befa604ab2e23a0b1fbc1e364e95e27a.png)
您最近一年使用:0次
2021-07-15更新
|
933次组卷
|
3卷引用:重庆市朝阳中学2022届高三上学期开学考试数学试题
名校
解题方法
7 . 若存在实常数
和
,使得函数
和
对其定义域上的任意实数
都满足
和
恒成立,则称直线
为
和
的“隔离直线”,已知函数
,
,
,下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21a7730d9983b6e8738a091c505d558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2907f541536d6a8776aba673bcad77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43e6c0b86a0712957c3ad0d0391be46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c2c579202ee1e98f4525a2aaaca778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b224d98467e0976914266dd125dfa5.png)
A.![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2022-02-15更新
|
507次组卷
|
4卷引用:重庆市乌江新高考协作体2024届高三下学期开学数学试题
名校
解题方法
8 . 已知函数
,
.
(1)若
在
上单调递增,求实数
的最小值;
(2)求证:当
取(1)中的最小值时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b363f4b5ed4cae1ba3c367dbc78790d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbbb788a2f1b3503f1ac07b08a990f9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
您最近一年使用:0次
2021-08-30更新
|
776次组卷
|
5卷引用:重庆市巴蜀中学2021-2022学年高二上学期开学考试数学试题
名校
9 . 已知函数
恰有两个零点,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748cfcdec38e8f85c7b58b5a209dd9ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-10更新
|
802次组卷
|
11卷引用:重庆市2022届高三上学期入学考试数学试题
重庆市2022届高三上学期入学考试数学试题重庆市“好教育联盟”2022届高三上学期9月入学诊断数学试题重庆市涪陵高级中学校2022届高三上学期第一次月考数学试题河北省邢台市2022届高三上学期入学考试数学试题老高考卷2021-2022学年高三上学期开学摸底联考数学(文)试题四川省部分学校2021-2022学年高三上学期开学考试数学(理科)试题(已下线)专题5.5 利用导数研究函数的零点-2021-2022学年高二数学特色专题卷(人教A版2019选择性必修第二册)江苏省苏州市常熟市尚湖高级中学2021-2022学年高二下学期期中数学试题四川省部分学校2021-2022学年高三上学期开学摸底联考数学试题(理科)江苏省南京航天航空大学附属高级中学2022-2023学年高二下学期3月月考数学试题湖北省随州市广水市实验高级中学等2022届高三上学期联考数学试题
名校
解题方法
10 . 已知函数
在
处的切线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d437e09e2a8df25948e69aad83d18.png)
(1)求实数
,
的值;
(2)设函数
,当
时,
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c3f016897d3a48b9284ee25be6b864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d437e09e2a8df25948e69aad83d18.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd240ec072a409d2b5508d99ba9fd5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a002dd51f5338c4bc0e15fb201c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187523298f5b0efd5bbd9e64a6be38d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb3cda302b47f61c4fef96b4ede9183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-06-14更新
|
229次组卷
|
2卷引用:重庆市西北狼教育联盟2024届高三上学期开学考试数学试题