名校
解题方法
1 . 已知函数
.
(1)直接写出
的解集;
(2)若
,其中
,求
的取值范围;
(3)已知
为正整数,求
的最小值(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff4ab487999c9d3d097874a0d900c8b.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d267a887789e4905d4d7b54911f52dc1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e6035b0fcfe8153dd7f2d535f5801b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f399069894b6ddea17199aeb619aced.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba6a1b88cbb3d3593f6b02c86aa3bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-06-23更新
|
426次组卷
|
2卷引用:浙江省杭州市2022-2023学年高一下学期期末数学试题
名校
解题方法
2 . 设函数
,其中
为任意常数.
(1)若
,且函数
在区间
上不单调,求实数
的取值范围;
(2)如果不等式
在
上恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a123260d5c3531396014a2ba679e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabf308f398419bc19c0fafdbbcd1eac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)如果不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7df00f9ad5f4a423f1502a7629e8db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf22a342373c046f8f44c1221c8b36b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
3 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc3e1299531835cc80f165ef66dfecb.png)
.
(1)当
时,求
的单调区间;
(2)对任意的
,总存在
(
互不相等),使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5aacaaf46c177f1e4c72c4f69dc1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc3e1299531835cc80f165ef66dfecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809be72e8ed4fcdd9fb5c16b7c588967.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af19c6415596218faa7dd1a83126c00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1593f0b67b98e0a4aac7754f9813ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dece882ba55dc9b12ca11aa53b7ad38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知函数
,其中
.
(1)当
时,解关于
的不等式
;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b17a4b14ea764bdbe93aea9359bb7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfe951c0b4ddd9d007a147bef01a0c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 已知函数
(
).
(1)若
,
,求
的值域;
(2)若
,当
时,
的最大值为
,求
的值;
(3)当
时,记
最大值为
,求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ae10a087e083b6b8158ec6f5e78ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4333157b51f440ab416ed20fcbf405f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d6bb01f1044358cc5fee441bc62489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a676af21ca9c25f86ce5f55cb4e9443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0600e01e00fa3d34e3cb3cba46314207.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
,
,函数
.
(1)若函数
在
上有两个不同的零点,求
的取值范围;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48015d2df8d9fd21d576f4381e65ddd.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93f19320977aeecaa8801a82bb2b4d5.png)
您最近一年使用:0次
2021-01-30更新
|
853次组卷
|
5卷引用:浙江省嘉兴市2020-2021学年高一上学期期末数学试题
浙江省嘉兴市2020-2021学年高一上学期期末数学试题(已下线)【新东方】双师149高一下(已下线)【新东方】在线数学102高一上浙江省东阳市外国语学校2022-2023学年高一上学期期末数学试题湖北省襄阳市第五中学2022-2023学年高一上学期12月月考数学试题
7 . 已知函数
,
,
.
(1)若
,试求不等式
的解集;
(2)若
,求函数
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd2db5c1c80ce5734608b808ec68782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098fb964d45dd0eeda6e169975b6e373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb791f300042a6ccbd84957d98cce9d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfe27c437b42ad27da80665302853df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7225c625819b7bfeb393a377ec2d74a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d0b969f58a09dff5c32b43219e2080.png)
您最近一年使用:0次
解题方法
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e441e1fa70e79ace5077425f471fd44.png)
(1)当
时,求
的最小值;
(2)当
时,若
在
上的最小值为0,求实数
的取值范围;
(3)当
时,若
对任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e441e1fa70e79ace5077425f471fd44.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a3aa9174b34a638b75ba3e685622b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d00e896ece0bec6845cdf25235bcbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-26更新
|
447次组卷
|
2卷引用:浙江省金华市义乌市2020-2021学年高一上学期期末模拟数学试题
9 . 设函数
.
(1)当
时,求
的最小值;
(2)对任意
,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b2a2849cbe8fd7a61cf36a5069e4a7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
您最近一年使用:0次
2020-11-28更新
|
250次组卷
|
5卷引用:2016届浙江省慈溪中学高三上学期期中理科数学试卷
2016届浙江省慈溪中学高三上学期期中理科数学试卷浙江省“七彩阳光”新高考研究联盟2020-2021学年高二上学期期中联考数学试题(已下线)【新东方】杭州新东方高中数学试卷382(已下线)【新东方】绍兴qw130(已下线)考点60 不等式选讲-备战2021年高考数学(理)一轮复习考点一遍过
20-21高三上·浙江·阶段练习
解题方法
10 . 已知函数
.
(1)当
时,解不等式
;
(2)对任意的
,当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ac9598945a06d5ef0fcf3aec87c340.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(2)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59f385df2d7165fb0c4afb8bb3399cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4cf16e39bff4aa2d482c90411d5ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87adec4e1daebf4d042335b06f705749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次