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1 . 已知函数
.
(1)当
时,求函数
的极小值;
(2)若函数
在区间
上有且只有一个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d770e6dccd174ce43553b2437c3012af.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4280adea02588850b0a1af4844fcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-09-10更新
|
720次组卷
|
3卷引用:北京市陈经纶中学2024届高三上学期9月阶段性诊断练习数学试题
名校
2 . 已知函数
有三个不同的零点,则整数
的取值可以是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fe84ecdcafb66c2e3a4dd702503729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-09-10更新
|
783次组卷
|
5卷引用:北京市陈经纶中学2024届高三上学期9月阶段性诊断练习数学试题
北京市陈经纶中学2024届高三上学期9月阶段性诊断练习数学试题(已下线)2024年高考数学二轮复习测试卷(北京专用)福建省福州市福清西山学校2024届高三上学期9月月考数学试题四川省内江市第六中学2023-2024学年高二上学期第2次月考数学(创新班)试题(已下线)第五章:一元函数的导数及其应用章末综合检测卷-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)
名校
3 . 已知函数
,曲线
在点
处的切线方程是
.
(1)求
、
的值;
(2)求证:
;
(3)若函数
在区间
上无零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f348531e37fb57e4adc74a9373ef27f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89f5698f41b542aff4bcebbc81ff92b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18ee2bd623e38eb3ee8569e31bf6f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
4 . 已知函数
,曲线
在
的切线为
.
(1)求a,b的值;
(2)求证:函数在区间
上单调递增;
(3)求函数
的零点个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f6aa8b3d74ebb7aa16537d5cb0b72a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec89d17a1b8f7961e2f1f27c2d50685.png)
(1)求a,b的值;
(2)求证:函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2023-08-30更新
|
921次组卷
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3卷引用:北京市2024届新高三入学定位考试数学试题
5 . 下列函数中,有两个零点的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 设
,函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)求
的单调区间;
(3)若函数
有两个相异零点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74da4b06c434c46d5a8958ad77f2592.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87161000e9d558b82978483da6a77cf.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4900c67f4b57fa430c4bd863f8e896.png)
您最近一年使用:0次
名校
7 . 已知函数
;
(1)当
时,求曲线
在点
处的切线方程;
(2)若正数a使得
对
恒成立.求a的取值范围;
(3)设函数
,讨论其在定义域内的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574eaa4fd455513f546898d41040eb85.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若正数a使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe857a2029651b6feb533e321666b1aa.png)
您最近一年使用:0次
2023-06-01更新
|
699次组卷
|
3卷引用:北京航空航天大学实验学校中学部2023届高三三模数学试题
名校
解题方法
8 . 已知函数
.
(1)当
时,求
的零点;
(2)讨论
在
上的最大值;
(3)是否存在实数
,使得对任意
,都有
?若存在,求
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f587081e5aa0cd690107df2aa0e4d177.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561480e3d3809613c33ce1f9c8890510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-06-01更新
|
979次组卷
|
2卷引用:北京师范大学附属实验中学2023届高三三模数学试题
名校
解题方法
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1164131f59bd05d660deb2b0810591.png)
(1)已知f(x)在点(1,f(1))处的切线方程为
,求实数a的值;
(2)已知f(x)在定义域上是增函数,求实数a的取值范围.
(3)已知
有两个零点
,
,求实数a的取值范围并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1164131f59bd05d660deb2b0810591.png)
(1)已知f(x)在点(1,f(1))处的切线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(2)已知f(x)在定义域上是增函数,求实数a的取值范围.
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9bcff3889d445230323de77818a824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4900c67f4b57fa430c4bd863f8e896.png)
您最近一年使用:0次
2023-05-31更新
|
2389次组卷
|
7卷引用:北京市通州区2023届高三考前查漏补缺数学试题
北京市通州区2023届高三考前查漏补缺数学试题(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)专题12 导数及其应用(已下线)专题2-6 导数大题证明不等式归类-3(已下线)模块三 大招16 极值点&拐点偏移(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【练】福建省厦门市湖里区双十中学2022-2023学年高二下学期6月月考数学试题
10 . 函数
的定义域为
,若存在闭区间
,使得函数
同时满足:
在
上是单调函数且
在
上的值域为
,则称区间
为
的“
倍值区间”.现有如下四个函数:①
,②
,③
,④
.那么上述四个函数中存在“
倍值区间”的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3ef09cb4de583c0c744c6e2a4c6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be5bbca2bf7a28ee8683aa343d62d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be5bbca2bf7a28ee8683aa343d62d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d078ac5689d10dd91835c2b2426bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be5bbca2bf7a28ee8683aa343d62d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2378646933425e8a11d642b90432a152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736e6a8b3201d57d57d5ccd9613664d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dee664e03144bb4826d40fbc32e0f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3569c6b56956238d01a2e63962e7083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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