名校
1 . 已知函数
.
Ⅰ
若函数
的最大值为3,求实数
的值;
Ⅱ
若当
时,
恒成立,求实数
的取值范围;
Ⅲ
若
,
是函数
的两个零点,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae9a1e0b6c6bd250c09cd197486d3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b76ee3bcd1abe78a0d22df47b4773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1de4aed718a98bd09c56f96de92851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040135d64192de075ba0cc9f11ddbc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa33c2bd791339d32821077846605d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6fe150b0a721696c8c063999ba38d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c89eea81aaf07c12b494125ed4e056.png)
您最近一年使用:0次
2018-12-12更新
|
738次组卷
|
3卷引用:宁夏石嘴山市第三中学2020届高三高考第五次模拟考试数学(理)试题
名校
2 . 函数
.
(1)若
,
在
上递增,求
的最大值;
(2)若
,
,证明:对任意
,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255322ce2e4bac378202e347ce7579b3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f8b559d73fa9c19180980f04a8f2ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
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2019-04-30更新
|
605次组卷
|
4卷引用:宁夏回族自治区石嘴山市第一中学2022届高三12月月考数学(理)试题
名校
3 . 已知函数
,
.
(1)讨论
的单调性;
(2)当
时,令
,其导函数为
,设
是函数
的两个零点,判断
是否为
的零点?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583dd2d2c2a5ae50741d622c36423b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d79a57287b146cd0b75ac0c8c73d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15ff6bbd513644e730d4cf7b2e749fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f890c615c5af6329afbcbcb0c70b7592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15ff6bbd513644e730d4cf7b2e749fc.png)
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2018-03-27更新
|
701次组卷
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5卷引用:宁夏石嘴山市2018届高三4月适应性测试(一模)数学(理)试题
宁夏石嘴山市2018届高三4月适应性测试(一模)数学(理)试题天津市部分区2018届高三上学期期末考试数学(理)试题(已下线)《2018届优生-百日闯关系列》数学专题三 第六关 以函数、不等式与导数相结合的综合问题为解答题河北省辛集中学2020届高三上学期模拟考试(一)数学(理)试卷天津市宁河区芦台第二中学2022届高三下学期线上测试数学试题
名校
4 . 已知函数
.
(1)求函数
的单调区间;
(2)当
,且
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec36b2dfb451844fa176faf356e0d427.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3940b116ea781d3791876a0e446e5100.png)
您最近一年使用:0次
2019-09-07更新
|
494次组卷
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2卷引用:宁夏银川一中2020届高三上学期月考数学(理)试题
名校
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adcd74b99f824e4b2a5e10256deb181.png)
.
(1)当
时,求函数
的单调区间;
(2)若
恒成立,试确定实数k的取值范围;
(3)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36157ed78a449182b51a9243609974d.png)
且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adcd74b99f824e4b2a5e10256deb181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b44e7d4481ba15c14063a19d13eeb63.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36157ed78a449182b51a9243609974d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12f0c42a4c1c40f540c078c695cd068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27268da04c3d01e2fb0b5e57d91d9ec.png)
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2020-03-10更新
|
371次组卷
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2卷引用:2020届宁夏石嘴山市第三中学高三上学期期中考试数学(理)试题
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6 . 已知函数
.
(1)讨论
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130bd945a5e0f6a4bacb73892d70abca.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc9ec5a0d1f0ddad352975b0e7ef502.png)
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2020-09-21更新
|
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4卷引用:宁夏海原县第一中学2021届高三上学期期末考试数学(理)试题
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解题方法
7 . 已知直线
与函数
.
(1)若
恒成立,求
的取值的集合.
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72eeed455051e355653892f1f8bbfba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa10fa6d0dfb8ef74b19b3e75b5f610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3c99ca3d73d87d3fdbef88c859dd6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c112516970d1ef419fbdea1a60f0e75e.png)
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2020-05-03更新
|
319次组卷
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2卷引用:宁夏银川一中2021届高三下学期返校测试数学(文)试题
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解题方法
8 . 已知函数
.
(1)当
时,证明:函数
在区间
内有唯一极值点;
(2)当
时,证明:对任意
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599345b543a3ccaa527b1d688901632e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f71a22daa4df7bd75c1e3e66fcb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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2020-07-21更新
|
297次组卷
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5卷引用:宁夏银川市2021届高三考前适应性训练(二)数学(文)试题
宁夏银川市2021届高三考前适应性训练(二)数学(文)试题四川省仁寿第一中学校南校区2020届高三仿真模拟数学(文)试题(已下线)第四单元 三角函数与解三角形(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷(已下线)必刷卷01-2021年高考数学(文)考前信息必刷卷(新课标卷)山西省运城市新康国际实验学校2020-2021学年高二下学期4月测试数学(文)试题
名校
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce24335b6090780ee43ebe66d8d74fc.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2fb6c531922e2ade8e943152f6245e.png)
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14-15高三上·河南安阳·阶段练习
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10 . 已知函数
(
为常数)的图像与
轴交于点
,曲线
在点
处的切线斜率为
.
(1)求
的值及函数
的极值; (2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7f59e0bd9174aa012fe7c7d830be4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf1f029bb36d7d199ed2b782490c424.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fde71807463dbdfd8fce1655a5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce67348686488824b5fc3fd0e480047.png)
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2016-12-03更新
|
1433次组卷
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10卷引用:2020届宁夏六盘山高级中学高三上学期期中(A卷)数学(文)试题
2020届宁夏六盘山高级中学高三上学期期中(A卷)数学(文)试题(已下线)2015届河南省安阳一中高三上学期第一次月考理科数学试卷2019届高考数学人教A版理科第一轮复习单元测试题:第三章 导数及其应用安徽省六安市舒城中学2017-2018学年高二下学期第一次统考(开学考试)数学(理)试题【全国校级联考】辽宁省沈阳市郊联体2017-2018学年高二下学期期中考试数学(文)试题(已下线)活页作业24-2018年数学同步优化指导(北师大版选修1-1)江西省萍乡市莲花中学2019-2020学年高二下学期月考数学(理科)试题北京市北京师范大学附属实验中学2022届高三10月月考数学试题(已下线)专题3-6 导数压轴大题归类(1)-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)福建省三明市五县2021-2022学年高二下学期联合质检考试(期中)数学试题