名校
1 . 设函数
且
.
(1)若
,当
时,求证:
;
(2)当
时,恒有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039baba773e7281c6ba122527dc4af1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77725a33301a1208b277c2e43a7c4dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd16d01cd3329e2fd65f800cdb720e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66885bb3a1adcb2edb4efed0ea32019.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cab95bc59eeaa04729c46323c86f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0597404b9110a0e25b644c9e51aabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
21-22高一上·浙江·期末
2 . 已知
,函数
.
(1)当
时,解不等式
;
(2)当
时,求证:
;
(3)设
,若对任意
函数
在区间
上的最大值与最小值的差不超过
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330ed86e0f01e7aa13cb934344e31cde.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc4c7f5eaaa10d149677dbfd230d3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7946a436abbfb69ed22f3b6fd413b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364dadcc031a2c02e190a9670efb9354.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f01584c320513caa949e6e831a28e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16443926c89badae2361d1290e4781b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82dca4a0e082b5cbdb1beb6f4d1e2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知函数
,其中
是常数.
(1)当
时,用定义证明:
是
上的递增函数;
(2)若不等式
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd06b904bd7b9197395ffbca15b232a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9eca1510647f9b40cf7ce69c3757f6.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887c4e34e1e3328a8a1c8e0883a5d1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 设函数
的定义域为D,若存在正常数k,使得对任意
,等式
恒成立,则称函数
具有性质
.
(1)函数
是否具有性质
,若具有,请给出k的一个值;若不具有,请说明理由;
(2)设
,函数
.
①试比较
与
的大小关系;
②证明:函数
具有性质
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3235d89ac3cf478201729976b6fa4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46bf6ded2f869744c6c50785f974aa6.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46bf6ded2f869744c6c50785f974aa6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54a95c04f2b5f0af52f16ea236ec603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec003c8af0c3e2cbc3ac6007d40594a6.png)
①试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1eb01888ae94128ac1096ba3269d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53616c42e88f1d16060dec0ddf537297.png)
②证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec003c8af0c3e2cbc3ac6007d40594a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46bf6ded2f869744c6c50785f974aa6.png)
您最近一年使用:0次
13-14高一上·广东·期中
名校
解题方法
5 . 已知
(
)是偶函数.
(1)求
的值;
(2)证明:对任意实数
,函数
的图像与直线
最多只有一个交点;
(3)设
,若函数
与
的图像有且只有一个公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556e02fbcc2e08fa6e48893c09a31843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)证明:对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87490be8d0cdb7bc6c39d1a37f3bc335.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e5837e833956cd61f7b2ab89451de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-09-10更新
|
90次组卷
|
7卷引用:2013-2014学年广东省实验中学高一上学期期中模块考试数学试卷
(已下线)2013-2014学年广东省实验中学高一上学期期中模块考试数学试卷上海市西南位育中学2017届高三上学期开学考试数学试题(已下线)专题12 基本初等函数综合练习-2021年高考一轮数学(文)单元复习一遍过(已下线)专题12 基本初等函数综合练习-2021年高考一轮数学(理)单元复习一遍过(已下线)专题12 基本初等函数综合练习-2021年高考一轮数学单元复习一遍过(新高考地区专用)沪教版(2020) 一轮复习 堂堂清 第二单元 综合练习(二)上海市普陀区桃浦中学2022-2023学年高二上学期10月月考数学试题
名校
6 . (1)已知
,求证:
.
(2)已知
,求证:
在定义域内是单调递减函数;
(3)在(2)的条件下,求集合
的子集个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8babf018f42b32990f65768ed81ef5.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ea5e39c4f2025dbd80d8629c6b71e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在(2)的条件下,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fd56c0a0ba232750157d2241284959.png)
您最近一年使用:0次
2020-01-16更新
|
235次组卷
|
5卷引用:上海市七宝中学2017-2018学年高二上学期开学考试数学试题
名校
7 . 已知
是公差不为零的等差数列,
是其前n项和,若
,且
是
与
的等比中项.
(1)求
的通项公式;
(2)记
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5170584604571b5e1afd5ece941e2e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be9c9b05fd84ac9256d49a5a553af5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f36a3b61b0283bc06efb97e9f0169b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d5ec9ad92f37e64eccce922ab1b14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3054785bacfe0537831c337f57ab92.png)
您最近一年使用:0次
解题方法
8 . 设
为奇函数,
为常数.
(1)求
的值;
(2)证明
在区间
内单调递增;
(3)若对于区间
上的每一个
的值,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cec648af64a6ebbf5619aaaa4fd4436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
(3)若对于区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a3c0898f05d9f27064d3bd635797ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a3fc9c353fd2e294d615fc5b4f3914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
9 . 设
,其中
且
,比较
与
的大小,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a04546d92fd165fc1ad2cc82c2dbb25.png)
![](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/b8cb4f458128ee80997a0f32209529d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db8805cda07838d256165991623acca.png)
您最近一年使用:0次
2020-02-05更新
|
476次组卷
|
3卷引用:人教B版(2019) 必修第二册 逆袭之路 第四章 4.2 对数与对数函数
人教B版(2019) 必修第二册 逆袭之路 第四章 4.2 对数与对数函数(已下线)第四章 指数函数、对数函数与幂函数 4.2 对数与对数函数 4.2.3 对数函数的性质与图像人教B版(2019)必修第二册课本习题习题4-2
名校
10 . 已知函数
(a>0,a≠1).
(1)判断并证明函数f(x)的奇偶性;
(2)若f(t2
t
1)+f(t
2)<0,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a76b437ccc2734a0bb34df87bb5919d.png)
(1)判断并证明函数f(x)的奇偶性;
(2)若f(t2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b700fa9aeb1016aa71f76e4b6bb212e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b700fa9aeb1016aa71f76e4b6bb212e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b700fa9aeb1016aa71f76e4b6bb212e.png)
您最近一年使用:0次
2019-10-25更新
|
684次组卷
|
3卷引用:湖北省随州市第一高级中学2019-2020学年高一10月月考数学试题