名校
1 . 函数
的最小值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6533d1591a9cfdb929a160286e16e241.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd19b7bca329dc7f4a2f2b56b016ddf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5fe74c5dc64f91f0555db56e24bbd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
,
,
.
(1)当
时,若
在区间
上单调递减,求a的取值范围;
(2)求满足下列条件的所有实数对
:当a是整数时,存在
,使得
是
的最大值,
是
的最小值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7501c01956896d7843ddcbe070322346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d67d6089055de61b9ae06257ab5d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a69af0799ec8b715676ebb5bb47abce.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de71d25c72850e383a4c841eed0db99.png)
(2)求满足下列条件的所有实数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03e483e8a37a8e0e1fb327f99ad93ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0532bf8ea573af0bc5bbda9e52154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解题方法
4 . 已知函数
(
).
(Ⅰ)用定义法证明;函数
在区间
上单调递增;
(Ⅱ)若对任意
都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
(Ⅰ)用定义法证明;函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96f1c282091c0b9966b70b7ac3d818f.png)
(Ⅱ)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0efbd3136343a896f4839320acccc11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427ddc261e4aea13a25fa479749f4074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
5 . 下列函数中,最小值为2的是
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2020-02-09更新
|
1307次组卷
|
5卷引用:山东省济南市2019-2020学年高一上学期期末数学试题
山东省济南市2019-2020学年高一上学期期末数学试题广东省汕头市澄海区2020-2021学年高一上学期期末数学试题广东省广州市第一一三中学2022-2023学年高一上学期期末数学试题(已下线)专题06 不等式-2020年新高考新题型多项选择题专项训练(已下线)专题02 不等式-备战2021年新高考数学纠错笔记
6 . 函数
,则“
”是“
,使
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a617b7be1bb661bda5dc234988e5e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2baea173574f2af1cf7db4ac340ce276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a90825530b0276574c6c691198b92f.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
7 . 已知函数
,其中
.
Ⅰ
当
时,
恒成立,求a的取值范围;
Ⅱ
设
是定义在
上的函数,在
内任取
个数
,
,
,
,
,设
,令
,
,如果存在一个常数
,使得
恒成立,则称函数
在区间
上的具有性质P.试判断函数
在区间
上是否具有性质P?若具有性质P,请求出M的最小值;若不具有性质P,请说明理由.
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd4db8a49a38c997932633f6f877cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751afe327bd2cd6e0d2336556ee5aded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e490b99f63837b836c4aaf4fe1cf11e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadfd99b5d48a12ba6e359a4e10c1e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a098de2d58aa36d8be10e2a88137635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480851c2a3f0808a3de787e204418f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bbe9a19c643326d60f48b1c0831702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6164b073074ad7080ba0a046a8770407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040135d64192de075ba0cc9f11ddbc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa33c2bd791339d32821077846605d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09fe8453b3249852da2775d5afd3d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7665de81e87ec168796ef50616a05cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4adcf400b8ce4453c56827ceaab24b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac78eb0ae66beb7d059985791b7c9d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe121bc4a13497d40f71bd3f7bb6d717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9163631ac547ec5e5df3105b3380fdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66d2404195625eeee7612c8b5c030ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a098de2d58aa36d8be10e2a88137635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480851c2a3f0808a3de787e204418f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce289c9e6553d516bd760275693ec9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5389e13dddc21b2f92d268f16e1504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c3c4c4f3264fe60d8d6eed353f7c11.png)
您最近一年使用:0次
2020-01-26更新
|
365次组卷
|
2卷引用:广东省广州市荔湾区2019-2020学年高一上学期期末数学试题
名校
8 . 对于一个具有正南正北、正东正西方向规则布局的城镇街道,从一点到另一点的距离是在南北方向上行进的距离加上在东西方向上行进的距离,这种距离即“曼哈顿距离”,也叫“出租车距离”.对于平面直角坐标系中的点
和
,两点间的“曼哈顿距离”
.
![](https://img.xkw.com/dksih/QBM/2020/1/14/2377014263767040/2378135585849344/STEM/d219004af9bc4b3fb57e9340e0b9e6bd.png?resizew=302)
(1)如图,若
为坐标原点,
,
两点坐标分别为
和
,求
,
,
;
(2)若点
满足
,试在图中画出点
的轨迹,并求该轨迹所围成图形的面积;
(3)已知函数
,试在
图象上找一点
,使得
最小,并求出此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec391f08f1452fb3e0aebe7e12ba4fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a4422395ca20fe847419ec569e48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2990ee12e0c3496230b9b2fd05c3786.png)
![](https://img.xkw.com/dksih/QBM/2020/1/14/2377014263767040/2378135585849344/STEM/d219004af9bc4b3fb57e9340e0b9e6bd.png?resizew=302)
(1)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5861c3ef04ab002d3b6b50cbc81eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4308859a0c4ade94bd0f05a7ddfe304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59baffb3f64c86b73b8348221ecab85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4a2681390214200443ae07c01a4abe.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3986099b1753e48e05ebcbdf8e2f02cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4a9189929067c48238ca4c5c61e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ecb9decb8e10f36b3ac6a6e1f2d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-01-16更新
|
414次组卷
|
2卷引用:广东省东莞市2019—2020学年高一上学期期末数学试题
名校
9 . 已知函数
.
(1)求函数
的定义域;
(2)设
,若函数
在
上有且仅有一个零点,求实数
的取值范围;
(3)设
,是否存在正实数
,使得函数
在
内的最小值为4?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c7082ad32db40f04008553b1d366b9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a79534888449d1d808fb981bbed56ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6b2aa084c5878f18ad0642a5c9b4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67333949e76ee3da8b17c9f9d4a97fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-05-05更新
|
2802次组卷
|
10卷引用:湖南省常德市石门县第六中学2019-2020学年高一下学期期末数学试题
湖南省常德市石门县第六中学2019-2020学年高一下学期期末数学试题广东省深圳市南头中学2020-2021学年高一下学期期末数学试题湖南省长沙市长郡中学2018-2019学年高二下学期期中数学试题天津市宝坻区第一中学2020-2021学年高三上学期第四次月考数学试题天津市西青区杨柳青第一中学2021-2022学年高二实验班下学期期末适应性测试数学试题江西省吉安市永丰县永丰中学2022-2023学年高一上学期期末考试数学试题(B)(已下线)第4章 指数函数与对数函数 章末测试(提升)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第一册)山东省青岛市莱西市第一中学2022-2023学年高一上学期12月月考数学试题新疆生产建设兵团第一师第二高级中学等2校2022-2023学年高一下学期2月月考数学试题福建省闽江学院附属中学2022-2023学年高一上学期期中考试数学试题
名校
10 . 已知函数
,
.
(1)令
,求函数
的零点;
(2)令
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900b106c2b44b211c60b0ba9c2cf6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e9eed54554b0ecd5d2c5cdc5da6391.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb80bd0df56843e5cc336155b1f19fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a6e17404d5de78af76553a66bab96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932a4f4875c0d88716e36ac7f2eb3288.png)
您最近一年使用:0次
2020-03-09更新
|
343次组卷
|
4卷引用:广东省茂名市高州市2020-2021学年高一下学期期末数学试题