23-24高一·全国·假期作业
名校
1 . 已知函数
,且满足
.
(1)求实数
的值;
(2)若函数
的图像与直线
的图像只有一个交点,求
的取值范围;
(3)若函数
,是否存在实数
使得
的最小值为0?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064d1171585eb597a3bac796d988f8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133b6374c6fe9b0e5e52ec1a6867eb4.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a16a128d07b4d4232f79d013c14ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae98838183fdf8d3290aa6be44cfeeb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
2 . 已知在定义域内单调的函数满足
恒成立.
(1)设
,求实数
的值;
(2)解不等式
;
(3)设
,若
对于任意的
恒成立,求实数
的取值范围,并指出取等时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99a560324d63166662d52f4c35485c1.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317f2a539dc3ec1b998404c5b41b9590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17019ae46430494a47f8a77c2f8d857c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a932690fc2a972342433ad38a957c8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2515a3947c3c0ab414a2c4c4f1a8b535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2022-12-19更新
|
2418次组卷
|
8卷引用:指对幂函数
名校
3 . 已知三次函数
,且
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7892c00ce767f5a596ad501310b19bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509a0c0790dcf553abd63eb5c1658c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6763b4c6f48b7962142218b8ea047b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c82634f3457b8dc8cd49544cfc48ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db966991f5c33aaed168f3c1424612c2.png)
A.2023 | B.2027 | C.2031 | D.2035 |
您最近一年使用:0次
2021-08-09更新
|
3099次组卷
|
13卷引用:安徽省怀宁县新安中学2023-2024学年高三上学期10月月考数学试题
安徽省怀宁县新安中学2023-2024学年高三上学期10月月考数学试题浙江省温州市十校联合体2020-2021学年高二下学期期末数学试题(已下线)试卷16(第1章-6.1 幂函数)-2021-2022学年高一数学易错题、精典题滚动训练(苏教版2019必修第一册)(已下线)第三章 函数概念与性质(选拔卷)-【单元测试】2021-2022学年高一数学尖子生选拔卷(人教A版2019必修第一册)(已下线)5.1 函数的概念和图象(课堂培优)-2021-2022学年高一数学课后培优练(苏教版2019必修第一册)(已下线)专题06 函数的概念与性质常考压轴题型-2021-2022学年高一《新题速递·数学》(人教A版2019)(已下线)第5章《函数概念与性质》 培优测试卷(一)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)(已下线)课时3.1.1 (同步练习)函数的概念-2021-2022学年高一数学新课学习讲与练精品资源(人教版2019必修第一册)(已下线)5.1 函数的概念和图像-2022-2023学年高一数学《基础·重点·难点 》全面题型高分突破(苏教版2019必修第一册)(已下线)5.1 函数概念与图像(练习)-高一数学同步精品课堂(苏教版2019必修第一册)浙江省台州市山海协作体2023-2024学年高一上学期期中联考数学试题(已下线)第三章 函数的概念与性质单元测试基础卷-人教A版(2019)必修第一册(已下线)专题03 函数的概念与性质3-2024年高一数学寒假作业单元合订本
4 . 已知
为常数,且
,函数
,若
(其中
是自然对数的底数).
(Ⅰ)求实数
的值;
(Ⅱ)求函数
的单调区间;
(III)当
时,若对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb75de7e70d29d9570d8e8a75b60cf9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da29057a3a0e0530ad338a64ad0c92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
(Ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(III)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2336b729d36d1325a28d0b8d770dd84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2021-01-14更新
|
115次组卷
|
2卷引用:福建省莆田第十五中学2019届高三上学期期末考试数学(文)试题
5 . 已知函数
.
(1)若存在实数
,
,
,使得
,求
的最小值;
(2)证明:存在实数
,当
时,恒有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cfb779b8aae0ce16627a6e07cb714c.png)
(1)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09045fbf289bdbf5f885eb10907d73b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
(2)证明:存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d8a2bd21ee4ca290e6bde67170448d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933da96b958d05b87f5378edb0570100.png)
您最近一年使用:0次
6 . 已知常数
,函数
的图像过点
,
,若
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46c58940a4b857da84b290bc4898b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1329af7b6a436a00df5f4a5ffe048fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e3d54afea6d4498c33534e0ccf6a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58e19c4b32a4b9cae521937f223d9fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10-11高一下·新疆乌鲁木齐·期末
真题
7 . f(x)=x+
的定义域为(0,+∞),且f(2)=2+
.设点P是函数图象上的任意一点,过点P分别作直线y=x和y轴的垂线,垂足分别为M、N.
(1)求a的值.
(2)问:|PM|•|PN|是否为定值?若是,则求出该定值;若不是,请说明理由.
(3)设O为坐标原点,求四边形OMPN面积的最小值.
![](https://img.xkw.com/dksih/QBM/2014/6/10/1571762739322880/1571762744942592/STEM/5ac7d575a5084eb6946b2286fd6451a2.png)
![](https://img.xkw.com/dksih/QBM/2014/6/10/1571762739322880/1571762744942592/STEM/ade60f07751d4bbbb684606baa62e4a5.png)
(1)求a的值.
(2)问:|PM|•|PN|是否为定值?若是,则求出该定值;若不是,请说明理由.
(3)设O为坐标原点,求四边形OMPN面积的最小值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/564eb46a-b20c-4755-9f08-d2edb9e23b92.png?resizew=224)
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13-14高三上·四川眉山·阶段练习
8 . 已知函数f(x)=x3+ax-2,(a
R).
(l)若f(x)在区间(1,+
)上是增函数,求实数a的取值范围;
(2)若
,且f(x0)=3,求x0的值;
(3)若
,且在R上是减函数,求实数a的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/2/14/1571509205221376/1571509210710016/STEM/991002ca82f846cf9d69aac6d80bcc58.png)
(l)若f(x)在区间(1,+
![](https://img.xkw.com/dksih/QBM/2014/2/14/1571509205221376/1571509210710016/STEM/83837762e8d74f5fb36f20086d9d57b1.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2014/2/14/1571509205221376/1571509210710016/STEM/33472af3f4ec4284961cb5aa7de06cb4.png)
(3)若
![](https://img.xkw.com/dksih/QBM/2014/2/14/1571509205221376/1571509210710016/STEM/fc263461d2fc4558aff112674e276e2d.png)
您最近一年使用:0次
2013·四川成都·三模
解题方法
9 . 已知
,
.
(1)当
,
时,判断
的奇偶性,并说明理由;
(2)当
,
时,若
,求
的值;
(3)若
,且对任何
,
不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189f7bdce7baf1de484fac462a139b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851eae00e3369068e33a7e6420483883.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad54d7a90061ad5f9f1426f9533d9c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbea4ca0ff380f26dfe064a4f1921504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3038d4728f959a8efedc2592e4a4b5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad04b9df1032e5d2953e45d238da08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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11-12高三上·江西吉安·阶段练习
解题方法
10 . 已知函数
定义在区间
上,
,对任意
,恒有
成立,又数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39e9750639ea9f661160b07ef199080.png)
(1)在
内求一个实数
,使得
;
(2)求证:数列
是等比数列,并求
的表达式;
(3)设
,是否存在
,使得对任意
,
恒成立?若存在,求出m的最小值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1947266214c98cfdeea15425a47de17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbf98e40f2f23810467a5c599ea62c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69981c8961775af5e1529d56a1a0d1d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39e9750639ea9f661160b07ef199080.png)
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59fd9f63cfe52e25c09dd129a261a436.png)
(2)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c704d7054cbdc9d975d4326091cc5251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05899f022bc5f29ad8ba7b2a92896b06.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf638f106724e6319edfa9c7de05f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f29c06a3e9a73e905eb87d71efa201c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ec99f68c85bcfcc9d2e34067b21011.png)
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