1 . 已知函数
.
(1)证明:函数
是偶函数;
(2)记
,
,求
的值;
(3)若实数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4125cf282c11fd6bbb290cf1e91aefad.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2015da5d06690edcf0cfc44bde61bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a863eb48557d4ea0b9cb6ae4258e8bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6ddeca9c6d150302f1547abffa5de5.png)
(3)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760effa3c34aefb5d6bbd0e7ca0d48fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1650f39d991a96ff8113428155aa7437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454dc9e522e7c1a258a1d7e733306865.png)
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名校
2 . 如图,过函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad431d95fa7da97a4cd7edd9fd00c867.png)
的图像上的两点A,B作
轴的垂线,垂足分别为M
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623747614af23acfe470d77abd6c6440.png)
,线段BN与函数
,
的图像交于点C,且AC与
轴平行.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/7188dda8-086b-4386-899f-f63d73fbf2d1.png?resizew=161)
(1)当
时,求实数
的值;
(2)当
时,求
的最小值;
(3)已知
,
,若
,
为区间
内任意两个变量,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad431d95fa7da97a4cd7edd9fd00c867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1001d707f35f5ddb3342a5cf5217f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1f08e04cf0b6a9afea66ce590ba00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623747614af23acfe470d77abd6c6440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb337fac2bafcc9a9b7deac4af72d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c93a5878617bab653ec9468e5db2d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b7f326ebbd03dab115d9fdea8f351c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/7188dda8-086b-4386-899f-f63d73fbf2d1.png?resizew=161)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a0185c011a705150ecae56361e12f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0de341c03111d7f4e10de2e854a5ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3b8f3d4d53d014490076fecf7e9ab0.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f36309b561b1cd370ac0e6834ab3ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3583896f63afa0a424a661fe908ea247.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/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71bb7d9025a1f580408bc559b8f16f4b.png)
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2020-12-21更新
|
440次组卷
|
9卷引用:2016-2017学年湖北省荆州市高一上学期期末考试数学(文)试卷
2016-2017学年湖北省荆州市高一上学期期末考试数学(文)试卷重庆一中2017-2018学年高一上学期期中考试数学试卷(已下线)第三章 5.3 对数函数的图像和性质(课时作业)-2018版步步高学案导学与随堂笔记数学(北师大版必修1)人教A版(2019) 必修第一册 突围者 第四章 第四节 对数函数福建省厦门市双十中学2018-2019学年高一上学期12月月考数学试题福建省仙游县第一中学2020-2021学年高一12月月考数学试题湘教版(2019) 必修第一册 突围者 第4章 第三节 课时2 对数函数的图象与性质北师大版(2019) 必修第一册 突围者 第四章 第三节 课时2 对数函数的图象和性质(已下线)模块一 专题1 对数与对数函数(人教A)1
名校
解题方法
3 . 已知
且
,函数
,
.
(1)指出
的单调性(不要求证明);
(2)若有
求
的值;
(3)若
,求使不等式
恒成立的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53adb5c935b827372534cee92e7dc714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecedbfd863544610f8c8ef631bb0a23f.png)
(1)指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1de3d2cc231d977f05dd5f50a17e2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786f49e3ce84da1101eb24ec57912941.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994b671d02e9a09ff64e5d516ca0a605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ba1b7eb392350fcce7bd854dfcd461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
(m,
)的图像关于原点对称,且
.
(1)求函数
的解析式;
(2)判定函数
在区间
的单调性并用单调性定义进行证明;
(3)求函数
在区间
(
)内的最小值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07ddf1608439355b146b3ea8666503d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa10b1cfc00cee833322a5c44e5e1881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判定函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a917cdad0745766780e4219377186ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91eb1a74ed4eb789a5cf6bf0d08900a.png)
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名校
5 . 设函数
,
(1)求证: 不论
为何实数
总为增函数;
(2)确定
的值,使
为奇函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d28fd96a55f935ee1528bb1047f6fa.png)
(1)求证: 不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2019-01-27更新
|
270次组卷
|
2卷引用:湖北省荆州市沙市中学2017-2018学年高一上学期期中数学试题
名校
6 . 已知
,若函数
在区间
上的最大值为
,最小值为
,令
.
求
的函数解析式;
不要证明,请直接写出函数
的单调区间,并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39f61dba88035bd8446811d5b5fb046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380fe2b412638a724cc635f1118da005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876d633b005cf98b31b68fc920684dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6e957634e4df274dd7c3dd081d3e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e720d1071951f806b5d00a003f8f7516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a31d9ff4fb200cf8fdcb980684f90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dffc1e1569287ae3a29dcad8ce1401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dffc1e1569287ae3a29dcad8ce1401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dffc1e1569287ae3a29dcad8ce1401.png)
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2019-04-08更新
|
578次组卷
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6卷引用:2016-2017学年湖北省黄冈市黄冈中学高一上学期期末模拟测试二数学试卷
2016-2017学年湖北省黄冈市黄冈中学高一上学期期末模拟测试二数学试卷2016-2017学年江西新余四中高一上段考一数学试卷【校级联考】湖南省湘潭县一中、双峰一中、邵东一中、永州四中2018-2019学年高一下学期优生联考数学试题四川省自贡市田家炳中学2019-2020学年高一上学期期中数学试题(已下线)专题01 函数性质、方程、不等式等相结合问题(第一篇 热点、难点突破篇)(练)-2021年高考数学二轮复习讲练测(浙江专用)(已下线)3.2.1.2 函数的最大值、最小值(课时作业)-2020-2021学年上学期高一数学同步精品课堂(新教材人教版必修第一册)
名校
7 . 已知函数
(
且
)为奇函数.
(1)求
的值;
(2)求函数
的值域;
(3)判断
的单调性并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b43f756936e38604fc45a08aaebf6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2017-12-02更新
|
602次组卷
|
2卷引用:湖北省部分重点中学2017-2018学年度上学期期中联考高一数学试题
名校
8 . 已知函数
,且
.
(
)求函数
在
上的单调区间,并给出证明.
(
)设关于
的方程
的两根为
,
,试问是否存在实数
,使得不等式
对任意的
及
恒成立?若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd715465874571b79720b6d234ce8b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0af419f4bc6f089e3304a477589d38.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6ffa6fe2387ee19234c2ad0fcb92ea.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1343dc0971e1525baadd631913150a5.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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053aefd83d65fdf1678f5c6f014fb488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984ed9158d140d57b250e36819b39aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb735ff555cd2b35737d371baf35a0c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-03-20更新
|
1061次组卷
|
4卷引用:湖北省华中师范大学第一附属中学2017-2018学年高一上学期期中考试数学试题1
名校
9 . 已知函数
是定义在
上的偶函数,当
时,
.
(1)直接写出函数
的增区间(不需要证明);
(2)求出函数
,
的解析式;
(3)若函数
,
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
(1)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67231e46346ce59d8c99f2de65c148e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2017-12-14更新
|
1267次组卷
|
7卷引用:湖北省重点高中联考协作体2017-2018学年高一上学期期中考试数学试题
10 . 已知函数
.
(1)用定义证明函数
在
上是增函数;
(2)探究是否存在实数
,使得函数
为奇函数?若存在,求出
的值;若不存在,请说明理由;
(3)在(2)的条件下,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026b5030892d140f1807ea6198ef80ff.png)
(1)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)探究是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(2)的条件下,解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44627254697d26d53e53e8afdd520c82.png)
您最近一年使用:0次
2017-12-14更新
|
588次组卷
|
2卷引用:湖北省重点高中联考协作体2017-2018学年高一上学期期中考试数学试题