名校
解题方法
1 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,使得不等式
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db23c5b0d43659fa8f1c5d0cbdd788.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307d7b9f37d6a0f67ecd9b4babe86ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af11cc369a9a910fc7024efefc7d9bb.png)
您最近一年使用:0次
2022-11-30更新
|
166次组卷
|
3卷引用:江西省临川第一中学2023届高三上学期11月教学质量检测数学(文)试题
名校
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d393b0cdbfd2c414032397114cea2c0f.png)
(1)解不等式:
;
(2)
,使得
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d393b0cdbfd2c414032397114cea2c0f.png)
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a7d3dd1f3a2279d3dcfa7471483d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ff2633e7e90e8f2b47ee81cec43e00.png)
您最近一年使用:0次
2022-11-28更新
|
238次组卷
|
2卷引用:四川省成都市树德中学2022-2023学年高三上学期11月阶段性测试 数学(文)试题
名校
3 . 已知函数
(
),若函数
的最小值为5.
(1)求
的值;
(2)若
均为正实数,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ba8ac47ba2d431256d6a5b289f165c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba1e7a657ed134e68efd159b606620f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad6caeed8ba5774f7e84ac93097b440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca1d67c09dc7b8e0cb2885c5e464412.png)
您最近一年使用:0次
2022-11-27更新
|
606次组卷
|
7卷引用:百师联盟2023届高三一轮复习联考(三)全国卷理科数学试题
名校
解题方法
4 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3152ccc9c00f6d5408f2b791a2743699.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18dae1772ca5fdc7fee49aa2c8181359.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e24813f20036e63b21dfc0cbecf7c2.png)
您最近一年使用:0次
2022-11-26更新
|
276次组卷
|
3卷引用:贵州省部分学校2023届高三上学期11月联考数学(文)试题
名校
5 . 已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab2df0ae1f2a2530b7bef95bb2e842d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfbe2eb6c502d3d304bbe3c95b54061.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3910a0f217d8109b9467f740fc84a73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
您最近一年使用:0次
2022-11-26更新
|
342次组卷
|
6卷引用:广西贵港市百校2023届高三上学期11月联考数学(理)试题
解题方法
6 . 已知
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ff01dad41bd4c31b2ee5b1897c1a96.png)
您最近一年使用:0次
解题方法
7 . (1)已知
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939d066d714b94d5771995dde1d8c70a.png)
(2)设
,
,
为正数,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5842f47b99932df68efbb64eb847e956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939d066d714b94d5771995dde1d8c70a.png)
(2)设
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2229f89fb39e299b61ad73237bed63c.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,其中
.
(1)当
时,求
的最小值;
(2)若
的最小值为4,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7654983cf24cd00658a4ed6c5be8f11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . (1)已知
,
,
,求证:
.
(2)已知
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e271b6e63206285461a7552d11efd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27763d65ec630511141303dad69545b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d2a05075997525049a368aba1c2b46.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a776c30c2b6426495324b66c70f4214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d41fd3d684666aa501f0776dfa4841.png)
您最近一年使用:0次
解题方法
10 . 已知函数
,其中
.
(1)当
时,求
的最小值;
(2)若
的最小值为4,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7654983cf24cd00658a4ed6c5be8f11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次