名校
1 . 已知函数
是定义域为
的偶函数,当
时,
,若关于x的方程
,有且只有7个不同实数根,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb05b8c65151650eaecbad638e509c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800cb5a9b29276bfca97608d4b94ef03.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知函数
在区间
内有两个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff89e1b2a00ef707ce48feba1ab419e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9bf647642e5ee3f8b54f7de4926685.png)
您最近一年使用:0次
2023-11-18更新
|
641次组卷
|
2卷引用:广东省阳江市2023-2024学年高一上学期期末测试数学试题
3 . 已知函数
(
,且
).
(1)当
时,
在
上恒成立,求实数m的取值范围;
(2)若
,且
在区间
内恰有一个零点,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea603cc465198d9ae79376bbe8c7d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3b3d8aae774d1d6bb814f59ca97195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a98186dcca4e3093a3e910b705b087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c8e74358d9dc36114ec61275066a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
您最近一年使用:0次
2023-02-23更新
|
449次组卷
|
2卷引用:广东省广州市荔湾区2022-2023学年高一上学期期末数学试题
解题方法
4 . 若存在实数
、
,使得函数
在区间
上单调递增,且
在区间
上的取值范围为
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd82b3831e71b7a20c90910d5a546697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5259f75c231a275f4f0ec45f30b6d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-02-21更新
|
240次组卷
|
2卷引用:广东省揭阳市惠来县2022-2023学年高一上学期期末数学试题
名校
5 . 已知函数
,
.
(1)若
在区间
上不单调,求
的取值范围;
(2)已知关于x的方程
在区间
内有两个不相等的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1327cec2337e6c2394de386ffc7a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e4853570f29bdbff47a8a89a06452c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c7b74fd862d7e3f35e40ae1f626c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-01-11更新
|
556次组卷
|
2卷引用:广东省广州市第二中学2022-2023学年高一上学期期末数学试题
名校
解题方法
6 . 设函数
,若关于x的方程
有四个不同的解,
,
,
,
,且
,则m的取值范围是_____ ,
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e969af1ec76530c1e60ee1c3a33b7cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.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/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c2f0cd2dab6f925e67e796743ea717.png)
您最近一年使用:0次
2022-02-16更新
|
426次组卷
|
3卷引用:广东省汕头市潮南区2021-2022学年高一上学期期末数学试题
名校
7 . 设
,函数
.
(1)若
,判断并证明函数
的单调性;
(2)若
,函数
在区间
(
)上的取值范围是
(
),求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5029bd373d0a619fd342eeb67a03dd2e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f8ca3916770d199f7edd59b1722a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8573eecbc29f522671b3892ec406c50b.png)
您最近一年使用:0次
2022-02-16更新
|
772次组卷
|
4卷引用:广东省广州市天河区2021-2022学年高一上学期期末数学试题
名校
8 . 已知函数
.
(1)存在
,使得不等式
成立,求实数k的取值范围;
(2)方程
有负实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e40e838d7042f180c083d90cf5a828e.png)
(1)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fd53fb8780a2bd9e451a92c7c92d9a.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f42aec2a770c668dc882b8bc40f423.png)
您最近一年使用:0次
名校
9 . 已知函数
,
,
与
互为反函数.
(1)求
的解析式;
(2)若函数
在区间
内有最小值,求实数m的取值范围;
(3)若函数
,关于方程
有三个不同的实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59eb51198230d07417b0807d6483855c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83b1e7c9c195e8d2c5f747a20038a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef2b7bc9b4b7e3e77002bea81505aae.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a8f104c36a350e803917cbfb216cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1836617c985de8b269a2c14203da0a.png)
您最近一年使用:0次
2022-01-02更新
|
1984次组卷
|
8卷引用:广东省深圳市高级中学(集团)2022-2023学年高一上学期期末考试数学试题
广东省深圳市高级中学(集团)2022-2023学年高一上学期期末考试数学试题四川省成都市蓉城名校联盟2021-2022学年高一上学期期末联考数学试题江西省泰和中学2022-2023学年高一上学期期末数学试题四川省遂宁中学校2021-2022学年高一下学期开学考试数学试题江苏省镇江市扬中市第二高级中学2022-2023学年高二上学期初摸底数学试题(已下线)重难点03函数(15种解题模型与方法)(3)河南省郑州市为民高中2023-2024学年高一上学期11月月考数学试题(已下线)模块四专题4 大题分类练(对数函数及其应用)拔高提升练(人教A)
名校
10 . 设二次函数
.
(1)若
是函数
的两个零点
,且
最小值为
.
①求证:
;
②当且仅当a在什么范围内时,函数
在区间
上存在最小值?
(2)若任意实数t,在闭区间
上总存在两实数m,n,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061710be05db3618bfba00d90d594ba7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b5f32c09caa0be0d4c33be07aa4530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afd9e226c9e45f674286910bc495e0d.png)
②当且仅当a在什么范围内时,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14175d995a55d42e949223652b43e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803a468e5d66004e57372a5bf2c5e1b.png)
(2)若任意实数t,在闭区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43c4ba99bf7f402ae720f7f7a2136e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20069e7e2e867dd249d09278268c3b0.png)
您最近一年使用:0次
2021-11-27更新
|
647次组卷
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3卷引用:广东省广州大学附属中学等三校2021-2022学年高二上学期期末联考数学试题