解题方法
1 . 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/b56d3aeac72a6873b03563563ee51a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365bfbf34b8999f1d39ef047d01a969b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.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/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56cb6fdec13539c5c03b2b003f454b6.png)
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名校
解题方法
2 . 如图为一块边长为
的等边三角形地块
,现对这块地进行改造,计划从
的中点
出发引出两条成
角的线段
和
(
,
,
分别在边
,
上),与
和
围成四边形区域
,在该区域内种上花草进行绿化改造,设
.
(1)当
时,求花草绿化区域
的面积;
(2)求花草绿化区域
的面积
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26016c9a610be4da74086a37c3327d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3bba5bd11e850c9b766c2ba6c426d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a61d8bedef61745ee4fd89a8c0c119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b0668257abc308c6d23354ab663814.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/2af3885c-1ef5-4a70-a441-a6b00b272588.png?resizew=121)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cf714ffb3fd5917a76b191640b55fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a61d8bedef61745ee4fd89a8c0c119.png)
(2)求花草绿化区域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a61d8bedef61745ee4fd89a8c0c119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8135ce2fc33a303efd2087106709d44e.png)
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2卷引用:山东省青岛第十九中学2023-2024学年高三上学期期中模块检测数学试题.
3 . 已知函数
,其中
.
(1)若
,求函数
的单调区间;
(2)若不等式
对于任意的
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c8773f14e37cdab25691c1c07957df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7fa90592f0478b55f9ae6686f4eeff.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3aa378132c8948203ef583eb2f8cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
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2卷引用:山东省潍坊市2023-2024学年高三上学期10月月考数学试题
4 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)若函数
在其定义域内的一个子集
内存在极值,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66902fddec725b28fab90790647586c5.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c90c819a290b25bb50ae3ddd79a8688.png)
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2卷引用:山东省潍坊市2023-2024学年高三上学期10月月考数学试题
名校
解题方法
5 . 已知函数
.
(1)求函数
的单调区间和极值;
(2)若过点
的切线
分别交
轴和
轴于
两点,
为坐标原点,记
的面积为
,求
最小值;
(3)设函数
,且不等式
对任意
恒成立,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dd30a21f70a747aed21b8d50416737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2a6e49e9a390a9b17b293e4d185e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2754c274d3cf0295b91cb711c64f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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5卷引用:山东省济南市、潍坊市、淄博市部分学校2023-2024学年上学期高三10月份阶段监测数学试题
山东省济南市、潍坊市、淄博市部分学校2023-2024学年上学期高三10月份阶段监测数学试题山东潍坊五县市2024届高三上学期10月阶段监测数学试题(已下线)第六章 导数与不等式恒成立问题 专题六 单变量恒成立之参变分离法 微点4 单变量恒成立之同构或放缩后参变分离综合训练广东省东莞市东莞外国语学校2024届高三上学期第三次月考数学试题广东省东莞市众美中学2024届高三上学期第三次月考数学试题
名校
6 . 经研究发现所有的一元三次函数
的图象都有对称中心,设
是一元三次函数
的导函数,
是函数
的导函数,若方程
有实数根
,则称
为一元三次函数
的图象的对称中心.根据以上信息和相关知识解答下列问题:已知函数
.
(1)求函数
图象的对称中心和
的值;
(2)若
,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75044e0301ef9def5c1a1c8e6f2cba77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac282e92da3691942a6ba8511de2303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc581690f1d82133bb5fed3d7f365f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5f2b504582a762e88a61f230c31c48.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ec8154ff491ea046bd074eeb30ba01.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10d2d61d28732356a8b479fb30115ee.png)
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|
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2卷引用:山东省济南市、潍坊市、淄博市部分学校2023-2024学年上学期高三10月份阶段监测数学试题
解题方法
7 . 已知函数
.
(1)若
为
的一个极值点,求
在
上的最小值和最大值;
(2)若
在
上是增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e15e6f9c68a47acb84d7d80cdd8fb19.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2卷引用:山东省济宁市邹城市第一中学2023-2024学年高三上学期10月月考数学试题
8 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69437cb454b9ca2afcc3f4421ad84c52.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
9 . 已知函数
(
,e为自然对数的底数)
(1)求函数
的单调区间;
(2)若不等式
在区间
上恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7ea4bd65a60eb151cae7a57ce1046e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddabac0b23c38dde6da3daec9c15392.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcc277421116b51d07ae0b95ea824ec.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657c9b544e9b3942ae78575bfa9ee620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
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6卷引用:山东省薛城舜耕实验学校2023-2024学年高三上学期10月月考数学试题
10 . 已知函数
.
(1)求函数
的极值;
(2)若函数
的图象在
处的切线的斜率为
,
在区间
上不是单调函数,且当
时
不小于
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908ba661c17927256e32eaa7f240045c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d2b76e46abbc9ecc4ba812eb2d29f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cc4d3e1a42155f19a21f252335b135.png)
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