名校
1 . 已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为m,a、b、c为正数且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4a57e615304ce193880db4403f4652.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5c1a7acdad9794447abfe58bd9f806.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86be2de99fbf7f99cd54ab399146b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf6a1fdb9a7bf031df7ce6c779cd5e3.png)
您最近一年使用:0次
2020-09-22更新
|
503次组卷
|
4卷引用:广西南宁二中柳铁一中2021届高三9月联考数学文科试题
名校
解题方法
2 . 已知
,函数
.
(1)若
,
,求不等式
的解集;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d47cfbf78c2eafc0e6681875b5ee58b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b781b577380833bf91d2b2f1169c50.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41519c40a38ae4fda6d51a7de4341414.png)
您最近一年使用:0次
2020-09-12更新
|
173次组卷
|
2卷引用:广西桂林十八中2020届高三(7月份)高考数学(文科)第十次适应性试题
名校
解题方法
3 . 已知函数
.
(1)当
时,解不等式
;
(2)若
的值域为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37ccb8737e2f6f039ce786818d8b5ed.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32dbf3d6fca7f835257b0928a52e1d1b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c880a292e77ec85d531c1b37e6feffe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4e89ca066f007b4ce96abf8577eb0e.png)
您最近一年使用:0次
2020-08-19更新
|
172次组卷
|
7卷引用:广西壮族自治区防城港市2023届高三下学期4月月考数学(理)试题
广西壮族自治区防城港市2023届高三下学期4月月考数学(理)试题山西省太原市第五中学2020届高三下学期6月月考数学(理)试题(已下线)专题23 不等式选讲-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题23 不等式选讲-2020年高考数学(文)母题题源解密(全国Ⅱ专版)江西省南昌市第十中学2021届高三年级上学期第二次月考理科数学试题江西省南昌市第十中学2021届高三上学期第二次月考数学(文)试题四川省绵阳市绵阳南山中学实验学校2022-2023学年高三下学期4月月考数学理科试题
名校
解题方法
4 . 已知
,函数
.
(1)若
,
,求不等式
的解集;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4207ad5ec1a1cdaad6393a9f89be3015.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6009d51b897a4f898b57e483234f391a.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868fee1ad1c5dd1f1a72c284744da2d5.png)
您最近一年使用:0次
2020-07-04更新
|
134次组卷
|
2卷引用:广西桂林十八中2020届高三第十次(适应性)月考数学(理)试题
解题方法
5 . 设
,
均为正数,且
,证明:
(Ⅰ)
;
(Ⅱ)
.
![](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/89dc8118d95d6c7bd5b7d38667a498e8.png)
(Ⅰ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/702f0c1f473b4c1cc599d74bc4463082.png)
(Ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212711ed49c8b9fc0ea8310f2c5b88ee.png)
您最近一年使用:0次
2020-06-20更新
|
535次组卷
|
5卷引用:广西玉林市育才中学2021届高三10月月考数学(理)试题
名校
解题方法
6 . 已知函数
.
(1)求
的最小值
;
(2)若正实数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ca9c5d44eb27c084ae72ae41bc0796.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c333cc710351a58a0d3d0107e915165e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1092e636cfb7b5de12bf94fc6ffd692a.png)
您最近一年使用:0次
2020-06-03更新
|
243次组卷
|
3卷引用:广西北海市北海中学2021届高三12月考试数学理科试题
7 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若方程
有实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffd7665efa51680950d8ceea84460e6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-05-23更新
|
643次组卷
|
8卷引用:广西2019-2020学年高三5月质量检测数学(理科)试题
解题方法
8 . 已知
,
,
.
若
,求证:
;
若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4d684b78f6e4a759f11bc25f7c9a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876c4544446608ec7250944fa091d51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57e060f61f7efa54982bda67db483a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2219d312e275702451d6323cd3e7ac67.png)
您最近一年使用:0次
2020-05-16更新
|
505次组卷
|
2卷引用:广西壮族自治区桂平市第五中学2019-2020学年高三下学期联考数学(文)试题
解题方法
9 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1602fbf142590370d486b80e3eda771a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709db55f0b99a5023eda64def7d72ea2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2288b3cb7063be5f156f22a7892880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9efcf930875a556ea78dc975d81612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-05-09更新
|
180次组卷
|
4卷引用:广西来宾市2019-2020学年高三5月教学质量诊断性联合考试数学(文)试题
名校
10 .
(
),
.
(1)证明
;
(2)若不等式
对
恒成立,求实数b的最大值,
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ae05506fffbd7f32e0dc53cddd281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafa7a492b1c919124f22456f28c00db.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97b66e348ff02fc9e7f610d7dfeda5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
您最近一年使用:0次
2020-04-29更新
|
97次组卷
|
2卷引用:广西师大附中2019-2020学年高三4月份(理科)数学试题