1 . 已知函数
(
).
(1)若函数
的导函数
的图象如图所示.
①直接写出
的单调区间,并求
的值;
② 若
有且只有1个零点,直接写出
的取值范围;
(2)当
时,讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed59ef5dec672cb2b487ec09efbae324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eb9b6fe8959ae9e71e857b6d6fed49.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/84204dce-a8f7-4c84-834c-de69c50c0e3f.png?resizew=162)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d31f9ce464f2ce3b24833b70595941c.png)
①直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
② 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f137abf4a199cf575ebdfd8ddd0f257a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
2 . 已知R上可导函数
的图象如图所示,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98cb669a09b0af8edbcba59fe7d0fb84.png)
您最近一年使用:0次
2023-05-30更新
|
331次组卷
|
2卷引用:北京市第五中学2021届高三上学期10月月考数学试题
名校
3 . 已知三次函数
的极大值是20,其导函数
的图象经过点
,
.如图所示.
的单调区间;
(2)求a,b,c的值;
(3)若函数
有三个零点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb885b96ddbf9889de11e3339ca7704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求a,b,c的值;
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc046a7b475b5130da69bf537226ec8.png)
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2023-03-26更新
|
662次组卷
|
4卷引用:模型4 用参变分离法速解参数的取值范围问题模型(高中数学模型大归纳)
(已下线)模型4 用参变分离法速解参数的取值范围问题模型(高中数学模型大归纳)北京市通州区运河中学2022-2023学年高二下学期3月阶段性检测数学试题北京市良乡附中2022-2023学年高二6月月考数学试题四川省绵阳市江油市江油中学2022-2023学年高二下学期期末数学理科试题
2022高三·全国·专题练习
名校
解题方法
4 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)当
时,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4288b7af5951688080001930d0ce978a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43058c020b5886583a93206bef0847fa.png)
您最近一年使用:0次
2022-10-31更新
|
585次组卷
|
3卷引用:第05讲 拓展一:分离变量法解决导数恒成立,能成立问题 (高频考点,精讲)
(已下线)第05讲 拓展一:分离变量法解决导数恒成立,能成立问题 (高频考点,精讲)江西省宜春市丰城中学2023届高三上学期期中考试数学(理)试题青海省西宁市海湖中学2022-2023学年高三下学期开学考试数学(理)试题
解题方法
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a914400b1afc3ad5569e6eb2f34f4293.png)
的导函数
的两个零点为
和0.
(1)求
的单调区间;
(2)若
的极小值为
,求
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a914400b1afc3ad5569e6eb2f34f4293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9cd3690e7aa3debb1ed054a9f622da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0591a27a1db11de9534c9fe4cff35c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee3996ec22e2623f1b48f6f06ed1666.png)
您最近一年使用:0次
2022-09-28更新
|
300次组卷
|
2卷引用:山东省威海市乳山市银滩高级中学2022-2023学年高三上学期9月月考数学试题
名校
6 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:
有且仅有
个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72e57c1c7b975cffeb4bfb01d7f0a18.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7d6a607085cd85bea646a11243cc3c.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
您最近一年使用:0次
名校
7 . 已知函数
,其中
.
(1)讨论函数
的单调性;
(2)设
,若对于任意的
,
,有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca019af791de6950f086f32b8014542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecaf15f775bd33cc59d4fb510c16977b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb56df94bcf8e4c24ee36725d07c4f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-04-06更新
|
803次组卷
|
3卷引用:山东省滨州市博兴县第一中学2019-2020学年高三上学期入学考试数学试题
名校
8 . 已知函数
,
.
(1)当
时,求函数
的单调区间;
(2)令
,若
,函数
有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69719fc0f3291550cdb3989c24ea1910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087a2f041ebb11dfaccfa685ba67410f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52805938232a4b74d8b483bb68288c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-06-10更新
|
2143次组卷
|
8卷引用:广东省惠州市2019届高三下学期4月模拟数学(文)试题
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9400896cf079d84aeede3db261f5917.png)
(1)求函数
在
处的切线方程
(2)对任意的
都存在正实数
,使得方程
至少有2个实根,求
的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9400896cf079d84aeede3db261f5917.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
(2)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 已知函数
(
,
).
(1)如果曲线
在点
处的切线方程为
,求
、
值;
(2)若
,
,关于
的不等式
的整数解有且只有一个,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab0680936c32958e1a3aa8b6e3892e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
(1)如果曲线
![](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/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81f656699c184f587f3dc347542dad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-06-08更新
|
1293次组卷
|
6卷引用:河北省衡水中学2017届高三高考押题三卷文数试题