名校
1 . 设
,
.
(1)令
,求
的单调区间;
(2)当
时,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075aee6ef1871beb7012875e9ab98c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da063390ec587b6aa72b0a10162c8c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
您最近一年使用:0次
2017-11-20更新
|
778次组卷
|
5卷引用:【市级联考】河南省南阳市2019届高三上学期期中考试数学文试题
2 . 已知函数
,若
有两个零点
、
.
(1)求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fbbdea9b60b133fb9107f295884542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d91d046bf64566e0155b514e0fa6784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a93969738a9bb969f40cf587f1d5d5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a415767156945ea8ada9ed3756019fc.png)
您最近一年使用:0次
3 . 已知
为曲线
(
且
)上的两点,分别过
作曲线
的切线交
轴于
两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32a1ac8d60bd6a36f93d03b1a5b9164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dc6443eb56e6888df6f46fdcdbb02f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccdc79025ae1fde1b396da96abe19e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32a1ac8d60bd6a36f93d03b1a5b9164.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知曲线
在点
处的切线与曲线
也相切,则
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1246b4187274bfff18a5ba26b40356a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efba6a5b821cd7808b4ec4eeea5704ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bbff7e8c3b4f9cd78e209809e76c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43eee682914ad7b1bedf335193c1a559.png)
您最近一年使用:0次
2017-11-16更新
|
584次组卷
|
3卷引用:河南省信阳市2022-2023学年高二下学期期中数学试题
名校
解题方法
5 . 已知函数
(
).
(1)若
在其定义域内单调递增,求实数
的取值范围;
(2)若
,且
有两个极值点
(
),求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65498929575a7f78adfc9793614b08f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c5cfe7befde25029de6cfedef45976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac70ca6d43182ab15ec5b8f0ba5f215a.png)
您最近一年使用:0次
2017-10-21更新
|
1217次组卷
|
4卷引用:河南省洛阳市2018届高三上学期期中考试数学(理)试题
河南省洛阳市2018届高三上学期期中考试数学(理)试题江西省抚州市临川区第一中学2018届高三上学期期中考试数学(文)试题江西省抚州市临川区第一中学2018届高三上学期期中考试数学(理)试题(已下线)【全国百强校】衡水中学2019届高三开学二调考试(数学理)
名校
解题方法
6 . 已知函数
.
(1)若
在其定义域内单调递增,求实数
的取值范围;
(2)若
,且
有两个极值点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3388d99d80cdd75e3b9bab7525d6caca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c5cfe7befde25029de6cfedef45976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e21ac584efecd770c2dd9d2e83803a.png)
您最近一年使用:0次
2017-10-17更新
|
1310次组卷
|
5卷引用:河南省洛阳市2017-2018学年高三期中考试数学(理)试题
7 . 已知函数
为偶函数,当
时,
,且曲线
在点
处的切线方程为
.
(1)求
的值;;
(2)若存在实数
,对任意的
,都有
,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff445c34ae07ff8ccba24d3f9d957aa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c69b73eab525b349c910f9c2836c148.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e314902b6c399338d1f631d5dee36e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70042ef00672e29715d3d3f977595520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
8 . 已知定义在
上的函数
,满足
,且当
时
,若函数
在
上有唯一的零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f546e3fbd1231b800568b4f3424e6124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e717b3a7b292c2d763b1c3b092f645ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afbcc8bb56ba142c0c4a72ad8617e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f546e3fbd1231b800568b4f3424e6124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知函数
,
.
(1)求函数
的极值;
(2)当
时,若直线
:
与曲线
没有公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d33911fa104129f17d976af49b3ca44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d8041c797b98b834c70dbf7d1d4346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2017-08-17更新
|
1096次组卷
|
5卷引用:河南省商丘市第一高级中学2019-2020高二下学期期中考试数学(文)试卷
名校
解题方法
10 . 对于定义在
上的函数
,若存在距离为
的两条直线
和
,使得对任意
都有
恒成立,则称函数
有一个宽度为
的通道,给出下列函数:①
;②
;③
;④
.其中在区间
上通道宽度可以为1的函数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a35b5d5cdc099c96660349ca2f5c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e152ca40b53213d6bda22b6f03cd93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e392c8e087639f8b73c472182ca6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d298874d6f3f970df11a2969e8a6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e676d0a3c6f475c73af2536c9f7813c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49215b962278e79ec2a53243b54abc86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5262f0cd992ecf30cfec2436e11e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3354c34130987e43db2b195337fd8e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2d4a3b2f13388f3c99074d24ebfc98.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2017-04-27更新
|
239次组卷
|
2卷引用:2016-2017学年河南省洛阳市高二下学期期中考试数学(文)试卷