名校
解题方法
1 . 已知函数
是奇函数
(1)求
的值与函数
的定义域;
(2)若
对于任意
都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b74debbc749e8de9edab914fd5e3c3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d393131f1278e5a927af6fdc2da5f29f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111355e6b6728b9d53a113e686f07cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-09-29更新
|
3014次组卷
|
5卷引用:四川省绵阳南山中学2020-2021学年高三上学期开学考试(零诊模拟)数学(理)试题
名校
2 . 已知函数
,函数
.
(1)若
的定义域为R,求实数m的取值范围;
(2)当
时,函数
的最小值为1,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679da8a975f3a340f456d205b9da9a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dce2bfe6e1fde9265d2a07c42bbdf58.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00aefe8f4cf676d05ba6fb0303bc032.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a1c1f0951b6032791da53d313449d0.png)
您最近一年使用:0次
2020-09-26更新
|
1116次组卷
|
8卷引用:福建省福州市屏东中学2023届高三上学期开学考试数学试题
福建省福州市屏东中学2023届高三上学期开学考试数学试题江西省赣州市2019-2020学年高二下学期期末数学(文科)试题四川省南充市阆中中学2020-2021学年高一(仁智班)上学期期中考试数学试题(已下线)【新东方】双师 (45)(已下线)【南昌新东方】江西省南昌市雷式三中2020-2021学年高一上学期11月期中数学试题5河北省辛集中学2020-2021学年高一上学期第二次月考数学试题广东省惠州市第一中学2021-2022学年高二上学期第一次考试数学试题福建省福州市四校联盟2021-2022学年高二下学期期末联考数学试题
3 . 已知
.
(1)若
,求实数
的值;
(2)若
,且
,求实数
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61edc2936d43eaa7c09e6a5054fe5b3c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d863dc7fbb5ef32811354df8f0be5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29cd450d0feaea9acb27a60430f4a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 若函数
在定义域内存在实数
满足
,则称
为“局部奇函数”.
(1)若函数
,试判断函数
在R上是否为“局部奇函数”,并说明理由;
(2)若函数
为定义域R上的“局部奇函数”,试求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1db6c94b94afc372212a81cc1f4dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70827c5578ee4c04811796d6d3c4f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511ca97ea2a09725ab173452ef3f1820.png)
您最近一年使用:0次
名校
解题方法
5 . 定义在
上的函数
对任意
,
都有
(
为常数).
(1)当
时,证明
为奇函数;
(2)设
,且
是
上的增函数,已知
,若不等式
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a22dc0b00705d8f10a6ddefa3141e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed4a43f81fa25b42b3cce2d918c1054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d353082567e64e4d88a31a2edfa5221f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
6 . 已知m,n,k为正整数,
,
,A是由
个不超过k的正整数组成的m行n列的数表,其第i行第j列为
,
,
,满足:
①对任意
,
,均有
,
,
互不相等;
②对任意
,不存在
,使得
且
;
③当
时,对任意
,存在
,使得
.
记
为所有这样的数表构成的集合.
(Ⅰ)写出
中的一个元素;
(Ⅱ)若
,则当n最大时,求m的最大值;
(Ⅲ)从问题(一)问题(二)中选择一个作答.
问题(一):求集合
的元素个数.
问题(二):求集合
的元素个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835c74bbb8c61dd2d2f008664a8c8810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb74ca8fc86ddef279e33f31c1fedda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f55f10837591bacdcae5a9724082f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65bad3343f0e29460ead5b54771f362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f01cfc245e926581bdb125e0fba733.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65bad3343f0e29460ead5b54771f362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018bac8d691164179dd650e8e066a81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c2f3106360deeec6bf756c2edeacda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f55f10837591bacdcae5a9724082f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f156d28b30a61f24915c73789be9c44a.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65bad3343f0e29460ead5b54771f362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b6b088f50b09e446c001943b77da97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccbcfbf6fb3c3463f215c873384ca4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b9e12355108f86a2c7b267b9f047d4.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ac49ab7c8001c209b8611b9ea40d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebd42fc2af57877e06f485b50ae4d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7601dbefa6836756e3d2731b79af0126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2127bb2a84fd1935f668058d4a1515a6.png)
记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9f52430f4c5d603e4370855970713a.png)
(Ⅰ)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d84e81a93d18e534727cc720abc0706.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21867b2e83d5014b07ab61183fd0efcb.png)
(Ⅲ)从问题(一)问题(二)中选择一个作答.
问题(一):求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de081a5f6435a695ad71d6a539352334.png)
问题(二):求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f5b9ffcbd788692a3cc2e59648f3c9.png)
您最近一年使用:0次
7 . 设函数
,
,其中
且
.
(1)若
有最小值,求a的范围;
(2)若
,使得
成立,求a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f97be6bd6b2e88abed770d52aca117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdd2009f88b3495b21e79b2e8f4cf80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae903291d457c4ed14814802d22819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82de0e9f20c6f8b7ec79c18673834292.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe6bf22793541b70d54b49ac9c5d6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799e7aa66fba206f5f616c9efb1baf58.png)
您最近一年使用:0次
名校
8 . 设全集
,集合
,
.
(1)当
时,求
;
(2)若
,
,且p是q的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebd291e315cf23cff96206ccdab7271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e417b1c5e6cc086c439bd250f0156a3f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
您最近一年使用:0次
2020-09-14更新
|
746次组卷
|
4卷引用:江苏省扬州市2020-2021学年高三上学期开学调研数学试题
名校
9 . 已知
.
(1)判断函数
的奇偶性,并说明理由;
(2)若实数
满足
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cafb3334c0c9e1d911ff8fa829bf5c.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466499e7e0b82533a6869b9f8483d63e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知数列
是无穷数列,满足
.
(1)若
,
,求
,
,
的值;
(2)求证:“数列
中存在
使得
”是“数列
中有无数多项是1”的充要条件;
(3)求证:存在正整数k,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5bad0e0832bbf42a12f4efc86cfe0e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
(2)求证:“数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fb67a858cf21e675a4be5ae0bc49c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64e4722de7deb7c05ca986166e6eb34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)求证:存在正整数k,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bded46375833efe7c9143aa80f8d64.png)
您最近一年使用:0次
2020-09-13更新
|
1032次组卷
|
3卷引用:上海市复旦大学附属中学青浦分校2020届高三下学期开学摸底数学试题
上海市复旦大学附属中学青浦分校2020届高三下学期开学摸底数学试题2020届北京市中国人民大学附属中学高三上学期期中模拟统练(七)数学试题(已下线)专题15 数列不等式的证明 微点6 数列不等式的证明综合训练