名校
解题方法
1 . 已知函数
在区间
上单调递减,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f036ab83530791feffb4074b22304bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-18更新
|
856次组卷
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4卷引用:陕西省安康市高新中学2023-2024学年高二下学期第1次月考(3月)数学试题
2 . 已知函数
,其中
.
(1)若
,求
的单调区间;
(2)若
恰有2个不同的极值点,求
的取值范围;
(3)若
恰有2个不同的零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366b4597ba84bb72e44f1017d56b6e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](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/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-13更新
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4卷引用:陕西省渭南市韩城市象山中学2023-2024学年高三上学期10月第二次检测理科数学试题
陕西省渭南市韩城市象山中学2023-2024学年高三上学期10月第二次检测理科数学试题陕西省汉中市2024届高三上学期第二次校际联考模拟预测理科数学试题甘肃省兰州新区高级中学2023-2024学年高三上学期第二次月考数学试题(已下线)专题3.2 函数的单调性、极值与最值【七大题型】
解题方法
3 . 已知命题p:
,
;命题q:若
,则
,
.下列命题是真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdbddf8c0ba6f4a5b15dc52ba383f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a052a203089c4cf1f1bf27bbc3188be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2ca8b4fb36f7d43e12b2b61590fe13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ce34763c38bb612af3a944528f33cf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-09更新
|
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3卷引用:陕西省2024届高三上学期第一次联考理科数学试题
4 . 已知函数
,若在
图象上存在点
,使得点
到坐标原点的距离
,则称函数
为“向心函数”.下列四个选项中,是“向心函数”的有( )
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95295f711de2f56a76487a99f4bdd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-10-09更新
|
757次组卷
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2卷引用:陕西省宝鸡教育联盟2024届高三上学期阶段性检测(二)理科数学试题
名校
解题方法
5 . 已知函数
,其中
.
(1)当
时,求
的最小值;
(2)若
在
上单调递增,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43ea66e63585a0785f4dee1d38098e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289fdf3d7182a4b6fbca0a2925fbec01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
您最近一年使用:0次
名校
6 . 已知函数
.
(1)已知
,求
最小值;
(2)讨论函数
单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24044507dc31a043118aa5f6b8a913b0.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2023-10-06更新
|
903次组卷
|
8卷引用:陕西省部分学校2024届高三上学期10月质量监测考试理科数学试题
7 . 已知:
.
(1)当
时,求
的单调性;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bd7ee3745711f46a8e9686dfd4d24b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b053fcfbdb442f5e40dbff4408b94fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-06更新
|
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2卷引用:陕西省榆林市府谷中学2024届高三上学期10月质量监测考试文科数学试题
名校
8 . 已知函数
.
(1)讨论
在区间
上的单调性;
(2)若存在
使不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cc2749c056ffef4530f06e4caa2f7b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f698c5a46ab32f72dc313d37f024accf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86381820996125545dcfd5bdd95481e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-04更新
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2卷引用:陕西省商洛市部分学校2023-2024学年高三上学期10月阶段性测试(一)文科数学试题
名校
解题方法
9 . 已知函数
.
(1)若
恒成立,求
的取值范围;
(2)当
时,设函数
,若对任意
,存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33df9ff40c1f537af95bf2b23b3b91e2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb09d22756ead537531baa8f7465656b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d753535ad29676c70519a404f9a6e5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e94b687c2021e1bfc33e8fefeaddb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dcbfef648c213cd7437ef1872b642b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
10 . 已知函数
.
(1)讨论
的极值点的个数;
(2)若
恰有三个极值点
,
,
(
),且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570b6f9a08be03589c8ac5fc4e06d0b4.png)
(1)讨论
![](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/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/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc69e53616dbd12a8d5d780ed3d84a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
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2023-09-28更新
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4卷引用:陕西省汉中市多校2023-2024学年高三上学期9月联考理科数学试题