名校
解题方法
1 . 已知函数
,若
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571bdbe6e09cf983787cb70c4b811d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cc553a81e66a1b15d457aa39a72917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知函数
是定义域为
的可导函数,若
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee0b94eef7875086f8aff56d4e1de81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1d88f08209350ff227f0f4ddba626b.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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3 . 已知定义在R上的函数
,当
时,其图像关于原点对称,且
,当
时,恒有
成立.函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ca9efa68db3841061329d442f8039f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61faacec390b77e705b9a132c10af5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6c58e8b48b40962b4b89dfc603768f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18320c93cf92dab3a0aa317b827c4ac0.png)
A.![]() | B.![]() |
C.![]() ![]() | D.方程![]() |
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名校
解题方法
4 . T性质是一类重要的函数性质,具有T性质的函数被称为T函数,它可以从不同角度定义与研究.人们探究发现,当
的图像是一条连续不断的曲线时,下列两个关于T函数的定义是等价关系.
定义一:若
为区间
上的可导函数,且
为区间
上的增函数,则称
为区间
上的T函数.
定义二:若对
,
,都有
恒成立,则称
为区间
上的T函数.请根据上述材料,解决下列问题:
(1)已知函数
.
①判断
是否为
上的T函数,并说明理由;
②若
且
,求
的最小值
(2)设
,当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
定义一:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
定义二:若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b0433a4d3b4bc56893eac40a8927cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4b161021e543d0d8a966e0dd82832a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4b5430922a80463e6b2333d3b61062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f43812bb224e922688cb688b76d805.png)
①判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4138f6987cd2ee9e56b2ac80e84f9e24.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccee041ba1852b2f3ee2b3a2dfeb0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce0d847c20978e3b2d58b97ebf43b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832714cf1b2b257b6edf8ebd57da83ea.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24715f8aed7a100fb047ca95a8ae64de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67784e0c5b774a658b3c12fe05800df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e54a82cfc5dd2895edddf53a9f8c3ad.png)
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解题方法
5 . 设函数
,点
,其中
,且
,则直线
斜率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a480fe9334aba70d7de900570932f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0de3129f0c484d2542e4d0810cbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d08550cde3e34887cfe734fabf7ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb37ea4b50a3e8bfc11c07aa2c9d3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 记正项数列
的前
项和为
,若
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57deda4866b0d5825402b9153cdd6b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a83bd56182758d8ef1e15eb5ad3dd9f.png)
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2024-05-16更新
|
481次组卷
|
2卷引用:重庆康德卷2024年普通高等学校招生全国统一考试高三第二次联合诊断考试数学试题
名校
解题方法
7 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77725a33301a1208b277c2e43a7c4dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da453dfebab8d3a3e1490713ae03b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbb3d46de42ba5226f297e96558d866.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-15更新
|
615次组卷
|
2卷引用:重庆市乌江新高考协作体2024届高考模拟监测(二)数学试题
名校
解题方法
8 . 柯西中值定理是数学的基本定理之一,在高等数学中有着广泛的应用.定理内容为:设函数
,
满足①图象在
上是一条连续不断的曲线;②在
内可导;③对
,
.则
,使得
.特别的,取
,则有:
,使得
,此情形称之为拉格朗日中值定理.
(1)设函数
满足
,其导函数
在
上单调递增,判断函数
在
的单调性并证明;
(2)若
且
,不等式
恒成立,求实数
的取值范围;
(3)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9b92a1988f20c45e8ba3887eeb6b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce5b83b652a50ea15c83c826d8fb52f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38593523a246f9e59688f64444e0dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a1212aca40e8dfbb97ae428c5d40a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4306fb6d5419322b4b7b9140e06e43a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38593523a246f9e59688f64444e0dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584ef8a5b63c5a2a80372865ac0cc0a0.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acaa791feb147bd1a8bf5eb4f81a0cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a4b4a9b7f0a8c3de045fe903204800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e71b49ac6c97943138bed91aab6215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d64f25e0020c3db48bb6a767afa98a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19cf16fd398ad9782cd4f5149d0c76f.png)
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9 . 已知函数
有三个零点
,
,
,其中
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3c506fac3a1f05033077859e21ea6b.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31dac77855629d41746583d4ed44592.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知函数
,若关于
的方程
恰有四个不同的实数根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d499422674838aa176019fb7ca1eb19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd5ffba5a195bb8a0a37d2060b4b994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-26更新
|
684次组卷
|
10卷引用:重庆市重庆市长寿区重庆市长寿川维中学校2023-2024学年高二下学期5月月考数学试题
重庆市重庆市长寿区重庆市长寿川维中学校2023-2024学年高二下学期5月月考数学试题江西省八所重点中学2022届高三4月联考数学(文)试题江西省赣州市六校联考2021-2022学年高二下学期期中数学(理)试题福建省华安县第一中学2022-2023学年高二下学期期中考试数学试题福建省莆田第十五中学2022-2023学年高二下学期期中测试数学试题福建省宁德市霞浦县宏翔高级中学2022-2023学年高二下学期第一次段考数学试题广东省东莞市三校2023-2024学年高二下学期4月期中联考数学试题(已下线)模块2专题8零点问题 方程图象练广东省东莞市光明中学2023-2024学年高二下学期期中考试数学试卷(已下线)5.3.2函数的极值与最大(小)值(3)