名校
1 . 已知函数
.
(1)当
时,求函数
在区间
上零点的个数;
(2)若
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0be43c6546fa793eb3b1b3eacb682e.png)
(1)当
![](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/d01dc2d99655cf7598837cb0886166ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 设函数
的两个极值点分别为
.
(1)求实数
的取值范围;
(2)若不等式
恒成立,求正数
的取值范围(其中
为自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e88243d1258b81ab6a582563a3dd8a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5e04c14f128d112c0670f0ace8a218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/452f6c8a237f461947c903799a94dc22.png)
您最近一年使用:0次
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3 . 已知函数
.
(1)讨论
的零点个数;
(2)若关于
的不等式
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33658ceec6e56b80c92d6a28701ba23c.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a200e289606bad1d646a29fa29b05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd18a365538d3c908f83f153f07b81b.png)
(1)当
,求函数
的零点个数.
(2)函数
,若对任意
,恒有
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd18a365538d3c908f83f153f07b81b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421d5e7e3e87de82a3d01b6ddf6eb35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfbb21997037d6c236a7f0679b9ea21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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今日更新
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78次组卷
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3卷引用:四川省成都石室中学2024届高三下学期高考适应性考试(一)理科数学试题
四川省成都石室中学2024届高三下学期高考适应性考试(一)理科数学试题四川省成都石室中学2024届高三高考适应性考试(一) 文科数学试题(已下线)重难点突破05 利用导数研究恒(能)成立问题(十一大题型)-1
名校
解题方法
5 . 已知函数
,
.(注:
是自然对数的底数)
(1)若
无极值点,求实数
的取值范围;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c33ef652f63f1b43282aedbf71311e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f7f23e7f20dd8bc65a4967cd306782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797bbd18359c9a29842b39109b3a0aac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a01be1031ca8543348a8dddc833db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 已知函数
,若函数
恰有一个零点,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce58cbeebe47f14ef0ba403e397ccb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b6a52548329c263bc70d42a4d876bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
,
,其中
为自然对数的底数.
(1)证明:
时,
;
(2)求函数
在
内的零点个数;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c736848713f25373747eb032847019c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e965d4a9aa00ca4825506bb1607b5da.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3ce011e21c45b2fb6ab3125f111831.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80942f4fe051907720e82a8c081460e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 设函数
,直线
是曲线
在点
处的切线.
(1)当
时,求
的单调区间.
(2)求证:
不经过点
.
(3)当
时,设点
,
,
,
为
与
轴的交点,
与
分别表示
与
的面积.是否存在点
使得
成立?若存在,这样的点
有几个?
(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417cb4681ede2fc845d8214e48b41bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0a205f3a39c7dcad9411c5d801f9a9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32832923ae26bd414843e4ca870d1c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abf9984cf7923373be05bbb2dfe41f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3998987160c168c3fc50cb2db66211f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c557708bf41b5fd4dbb8f04278e8a824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d166e13302046b25a2fa36af1e72f7a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0f038ebe04ea9441bd5eedf069806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea05b8641371b1d221d9b4143ef3b37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e02569631057452e44347c1b8bcce37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e0d1953b7e72fac5593b4d7477b688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f07d589cd4bf0d4beb4c9f28bd2587.png)
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昨日更新
|
2937次组卷
|
7卷引用:2024年北京高考数学真题
2024年北京高考数学真题专题03导数及其应用(已下线)2024年北京高考数学真题变式题16-21专题13导数及其应用(已下线)五年北京专题09导数及其应用(已下线)三年北京专题09导数及其应用(已下线)第01讲 导数的概念及其意义、导数的运算(十二大题型)(练习)-2
名校
9 . 已知函数
在
上有且仅有一个零点,则实数
的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a644d7a17e0c420e8bb5aa0ea1ce4191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知函数
.
(1)若
是函数
的极值点,求
的值,并求其单调区间;
(2)若函数
在
上仅有2个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e955fbccbc9dafb4b3fd3f293c2c664c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d698d47dc6421a75df1e698b3f0b4f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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