解题方法
1 . 已知函数
.
(1)若对任意
,使得
恒成立,求
的取值范围;
(2)令
的最小值为
.若正数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87cc815b7088da109c05b85fe342281.png)
(1)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847f4ef4685adab7f5a4fc1c23059437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860aea1b2f2c1b861d83c1499f5093ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8505d86fda3d979f87e2f990fbd12ea.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)求
的最小值;
(2)若
的最小值为
,正实数a,b,c满足
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35e5c2939fb6320230190d5dc472120.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbab9eb75db03784bd3b20a4226884b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218f1a94f2cfd0871fda90b064a2c9d9.png)
您最近一年使用:0次
2024-04-12更新
|
179次组卷
|
4卷引用:四川省成都市石室中学2024届高三下学期高考适应性考试(二)理科数学试卷
解题方法
3 . 已知函数
.
(1)求不等式
的解集;
(2)将函数
的图象与直线
围成的封闭图形的面积记为
,若正数a、b、c满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313ba9c8f5c6f9c6d64743ac0b5d8f56.png)
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5e99a8ad904bededd27db48ce3a45f.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9cdbd1f1d29c8fc748784e82009ae5a.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de72a5190834f5dbe895596656c038b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313ba9c8f5c6f9c6d64743ac0b5d8f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e7c06ed691c2159d87386218b67e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27df7fcb95a2730d8ebbc2644a72b5c9.png)
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解题方法
4 . 已知
.
(1)求
的解集;
(2)记
的最小值为
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00c196c040e330a18551d161627aadc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d30e4faeb8359c0e72f10f01842848c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b73ac9f6c8592e734954588e85a8cec.png)
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2024-04-03更新
|
285次组卷
|
3卷引用:四川省绵阳市三台中学校2024届高三下学期第二学月测试文科数学试题
解题方法
5 . 已知函数
的最小值是m.
(1)求m的值;
(2)若
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7b2dc826e500e362c22ddb6bfb39c8.png)
(1)求m的值;
(2)若
![](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/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054d00a127a585f7401a05d5351c6e37.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)求不等式
的解集;
(2)若函数
的最小值为
,且
(
,
).求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a85b50630b1a608365c1ae64f9d08d16.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ec4add31dd4c2d48aadbb7bd13e607.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](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/b75743cce419484fc8b59ec5008930b7.png)
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2023-11-26更新
|
272次组卷
|
4卷引用:四川省泸州市2024届高三第一次教学质量诊断性考试数学(理)试题
7 . 已知函数
.
(1)求不等式
的解集;
(2)当
时,函数
的最小值为
,若非零实数
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7a09fc86d06866679cf7a8a8b733a2.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9475044a3907a6bd59aefef9ca343f14.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0db2c49919467a2e14540f2aabd05cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff40d4bcb74a02cad20299244b5f2eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567567c185f2351b5e5c584ecae8c231.png)
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解题方法
8 . 已知函数
.
(1)当
,
时,解不等式
;
(2)若
,
,
,且函数
的最小值为4,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4490503c29b1743ca34b05e900d8730.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac01e3564fa5e8e267412e185f1a8e0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025626310f5e5690c28e29808d7afeef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9219ef6189a1b07ff8b836378efbd85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3a356bf47fddf040d30275f2a97cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298ceb9f54dd0c3c62039aba0eb1f367.png)
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2024-03-13更新
|
189次组卷
|
2卷引用:四川省大数据学考联盟2024届高三第一次质量检测数学(文科)试题
名校
9 . 已知函数
,m为
的最小值.
(1)求m的植,
(2)已知实数n,p,q满足
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63502808190adaeb97a37a0f4eee1d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求m的植,
(2)已知实数n,p,q满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2400d72b1e3145cb21ba719d8a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3ac83c571110d41a396d12d8eea1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6526e19f5af4425fa017e3d38c42116d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235953c833fc96e4ce88e17051aef93c.png)
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2024-04-24更新
|
189次组卷
|
2卷引用:四川省绵阳市三台中学校2024届高三下学期三诊模拟考试(第三学月月考)文科数学试题
名校
解题方法
10 . 已知
,函数
.
(1)当
时,解不等式
;
(2)若
的最小值为2,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4490503c29b1743ca34b05e900d8730.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b562ca77fa64f3ebe40e0ad49833d5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8697fe84b93e6cac74847d6a44771a02.png)
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2024-04-18更新
|
316次组卷
|
4卷引用:四川省成都市外国语学校2024届高三高考模拟(五)理科数学试题
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