名校
1 . 设
为实数,已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6adde98c7a857a1c39c5e6e61809560.png)
(1)若函数
,求
的值;
(2)当
时,求证:函数
在
上是单调递增函数;
(3)若对于一切
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1737dc05a46746a53eef787df136b8d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6adde98c7a857a1c39c5e6e61809560.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e1534b73dd957bcf8d3e44fbd0f773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c57515957bf1483d7d0ee11ebd33523.png)
(3)若对于一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0769db255cf03e3e213d629970ca70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-15更新
|
204次组卷
|
3卷引用:河南省商丘市第一高级中学2022-2023学年高二下学期期末数学试题
名校
2 . 若函数
满足:对于任意正数
,
,都有
,
,且
,则称函数
为“速增函数”.
(1)试判断函数
与
是否是“速增函数”;
(2)若函数
为“速增函数”,求
的取值范围;
(3)若函数
为“速增函数”,且
,求证:对任意
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceaff1c2f222f8785947f5266e20c3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77b1c3485be1304688c123266ea7fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80aeb9971a81169d671c5c329f16a2e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04e15196ce905f578e53b845242ee30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19926d6954552aa0878c4140c4d1ea70.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc21c14131288b0fd578ab9cd77b927a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f101454f99871ac8246cb19fdd1e09fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219598f1289ddb370d632ea141731d52.png)
您最近一年使用:0次
名校
3 . 已知函数
,其中
是自然对数的底数.
(1)证明
是
上的偶函数;
(2)若关于
的不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98348a6484adcce636bb7220a69d8678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2c0ce7b31a1c363f95f18cf2d92e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-11-13更新
|
1482次组卷
|
10卷引用:广东省江门市台山市第一中学2023-2024学年高一上学期期中考试数学试题
广东省江门市台山市第一中学2023-2024学年高一上学期期中考试数学试题天津市第四十二中学2023-2024学年高一上学期12月考练习数学试题河北省保定市高碑店市崇德实验中学2023-2024学年高一上学期期中数学试题2015-2016学年河北省邯郸市大名一中高二下第一次月考文科数学试卷江苏省苏州市第五中学2017届高三12月月考数学试题浙江省嘉兴市第一中学2017-2018学年高一10月月考数学试题河南省郑州市一中2017-2018学年高二年级上学期期中模拟数学试题黑龙江省伊春市第二中学2017-2018学年高一上学期期中考试数学试题河南省南阳市2018届高三上学期期中质量评估数学(理)试题天津市耀华中学2022-2023学年高一上学期期末数学试题
解题方法
4 . 已知函数
是定义在
上的函数,且对于任意的实数
有
,当
时,
.
(1)求证:
在
上是增函数;
(2)若
,对任意的实数
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63f1bd2ff616d22caea21e8b74a843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63f1bd2ff616d22caea21e8b74a843.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8167890072067743bfaa5ea345d52f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630dc2e5aa255e1b1e0fcd9044618172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-04更新
|
570次组卷
|
2卷引用:四川省雅安市天立集团2023-2024学年高一上学期期中数学试题
13-14高一下·安徽阜阳·期中
解题方法
5 . 已知函数
定义在
上,对任意的
,
,且
.
(1)求
,并证明:
;
(2)若
单调,且
.设向量
,对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933e2d7783706b67bf554d6b3efbd2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb7d20c2d3aaf9b95f744755d270d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d742d95248b0405a80193874215697f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a102066d0312acf47ee6331755b6d5ce.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c322cd94a7cb27db90e7d7bc86ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd1fe2a313d243ed24329dd4317bf35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2c3c5515951a3093498ed8dac19b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
11-12高三上·浙江·期中
名校
6 . 已知函数
(a为常数,
)
(1)若
是函数
的一个极值点,求a的值;
(2)求证:当
时,
在
上是增函数;
(3)若对任意的
,总存在
,使不等式
成立,求正实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ff2462f6092045ec0ceb92650e61a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1eaf48f1ad368af0b0961322e50d74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57af9c419fa7db9c47a212d5238aa435.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fae35542c8e8114f3cfc05b400ba565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ad23d93c0e20425a3a7f3a8605a61d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb115ff21dbb30c63eee54871c0fd74.png)
您最近一年使用:0次
2016-12-03更新
|
1066次组卷
|
7卷引用:四川省广元市广元中学2022-2023学年高二下学期期中数学理科试题
四川省广元市广元中学2022-2023学年高二下学期期中数学理科试题(已下线)2012届浙江省学军中学高三上学期理科数学期中考试试卷(已下线)2012届广东省汕头市二中高三五月高考前模拟理科数学试卷(已下线)2013届浙江省温州市龙湾中学高三上学期期初考试理科数学试卷(已下线)2015届广东省广州市第六中学高三上学期第一次质量检测理科数学试卷2015届江西省吉安市一中高三上学期期中考试理科数学试卷新疆博尔塔拉蒙古自治州第五师高级中学2019-2020学年高三上学期第二次月考数学(理)试题
名校
解题方法
7 . 已知函数
.
(1)若
单调递增,求
的值;
(2)设
是方程
的两个实数根,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309c63092890ba2dc161bd00908cce75.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eed928f3b9509ffb779bf077fbba9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
2023-11-27更新
|
394次组卷
|
3卷引用:山西省临汾市2023-2024学年高三上学期11月期中数学试题
2023·全国·模拟预测
解题方法
8 . 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
名校
解题方法
9 . 定义在
上的函数
满足:对任意的
都有
,且当
时,
.
(1)判断
在
上的单调性并证明;
(2)求实数t的取值集合,使得关于x的不等式
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeedfe06363c256f8fb8ecefb5eb84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3a09e51fef904a5e8a013ea691d813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4d176cd4cefa84cd1cec0163689703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d655ee6d4c2285b6f59652360862d2.png)
(2)求实数t的取值集合,使得关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7537a57a681285c0ca0f99ab0774071e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeedfe06363c256f8fb8ecefb5eb84e.png)
您最近一年使用:0次
2020-11-30更新
|
901次组卷
|
4卷引用:湖南师范大学附属中学2022-2023学年高二下学期第一次大练习数学试题
湖南师范大学附属中学2022-2023学年高二下学期第一次大练习数学试题(已下线)专题3-6 抽象函数性质综合归类(2) - 【巅峰课堂】题型归纳与培优练浙江省温州中学2020-2021学年高一上学期期中数学试题山东省淄博市淄博实验中学、齐盛高级中学2021-2022学年高一上学期期中数学试题