名校
1 . 已知函数
.
(1)当
时,证明:
.
(2)若
,求
的单调区间.
(3)若
,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b8843416b64d26e4c685f09e8fea6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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名校
2 . 已知函数
(
为正有理数).
(1)求函数
的单调区间;
(2)证明: 当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d378d8057b4a1c2bcec39d70a56e184d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5323f3e8164a6c2c865377d168e2cbf1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明: 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd699e5a3a2d8f5d9d5888383a12e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cb72814fc154c01ff58d865e8a9b50.png)
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3 . 设函数
.
(1)当
时,求
的单调区间;
(2)任意正实数
,当
时,试判断
与
的大小关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22cd277fe63fe62cc55060fac0c6178.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)任意正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/419504736c4934f6e0df4114c3743944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc8f775c0c874c4ea920136a91db8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06254f2b0674c50ba2a3193d7c8d4a6e.png)
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名校
4 . 已知函数
.
(1)设
是函数
的极值点,求
的值并讨论
的单调性;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9953a8610df4d367879ecaa99c8ce27.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](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/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaec3f6c3d2bd3cebdfc5d2425324f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83ec3b25bde13877a756bc9f9781597.png)
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名校
5 . 已知函数
.
(1)若
,求
的单调区间;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9059c3c578236e83f08e2945660c9d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305f424a97cd54d00fcc40010017ccde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496ede0c22eb48e59c3d6548c4e86b11.png)
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解题方法
6 . 已知函数
.
(1)证明:
.
(2)若函数
,若存在
使
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2360c43dca20ff8b209866de89ac10.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4ede5687302af76c4c7bfa09899090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2492d486aef92677bc4d9c88c28b6845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9856c91ab017738c26f9e6db0217ef.png)
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7卷引用:湖南省长沙同升湖实验学校2022-2023学年高三上学期第三次月考数学试题
湖南省长沙同升湖实验学校2022-2023学年高三上学期第三次月考数学试题山东省临沂市兰山区2021-2022学年高三上学期开学考试数学试题(已下线)专题3-9 利用导函数研究极值点偏移问题(已下线)专题突破卷08 极值点偏移(已下线)重难点突破05 极值点偏移问题与拐点偏移问题(七大题型)-1(已下线)第五章 一元函数的导数及其应用(单元测试)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第二册)(已下线)考点21 导数的应用--极值点偏移问题 2024届高考数学考点总动员
解题方法
7 . 已知函数
,
.
(1)求函数
的单调区间及在
上的最小值;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6573f92b0b522cfa6f2eca8350df36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b7617c93564442817554d483d8711e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3696c14fd7401ca2fd97865db4d9a2f.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f64ad48852c10821ce17668932cf71.png)
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8 . 定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8206cb593ff6539920f6e1b7920e8249.png)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991ca2b78f029ccd03b22a9f2f436998.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8206cb593ff6539920f6e1b7920e8249.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991ca2b78f029ccd03b22a9f2f436998.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6ac350a66f19f0b60ec9aa48d7108f.png)
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9 . 已知
<b<1,函数
,其中e=2.718 28
为自然对数的底数.
(1)求函数
的单调区间;
(2)记x0为函数
在(0,+∞)上的零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f863f5afe8da08879603d816b4e41611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)记x0为函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6c61d920ace1c90bdf7b715b7cca47.png)
您最近一年使用:0次
名校
10 . 设
,
,
.
(1)求
的单调区间;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2831148363ba6fdab69ddab503bc778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b153500a60b924bb0ffd433c9f35444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee95f2e36485f4065f7745d21385dfa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f13199dd6a0a6819ff3b7c2945a8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
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2022-07-09更新
|
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