名校
解题方法
1 . 若非零函数
对任意x,y均有
,且当
时,
.
(1)求
,并证明
;
(2)求证:
为
上的减函数;
(3)当
时,对
时恒有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6585b5af98d4c7801c1edaf2e6ead0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73ed206046205dc9e41285f74d81dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59b1dd6e7640a36050cbbbcc6449606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
2 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79694e2e1d5fd1afff38ade4c937419e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4e3838d6e4ea8e3defd8401b305774.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
3 . 已知
定义域为
,对任意
都有
.当
时,
,且
.
(1)求
的值;
(2)判断函数
的单调性,并证明;
(3)若对
,都有
恒成立,求实数
的取值范围.
![](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/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf20a3e9d3e9f83d8a0f1be4f3486be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1233d79e389ea5a4047cf03e6ba1b1f4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c669227b1cc4baa5f08268cd25ec8ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd1fd4904f838e70bebc5dcb67aa1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-11-21更新
|
337次组卷
|
2卷引用:福建省厦门市厦门外国语学校2023-2024学年高一上学期期中数学试题
4 . 已知函数的定义域为
,且满足
,
,
,则
您最近一年使用:0次
2023-11-21更新
|
534次组卷
|
5卷引用:福建省部分校2024届高三上学期期中考试数学试题
5 . 已知函数
的定义域为
,若
,且
均为奇函数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c19df25815a524351a3169487e3b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7dc72f6e2ddad97dbd89d142de093f4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-16更新
|
410次组卷
|
7卷引用:福建省德化一中、永安一中、漳平一中三校协作2024届高三上学期12月联考数学试题
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c65530a9bca9f77484eed669a1f77.png)
(1)求函数
的定义域;
(2)求
及
的值;
(3)求函数
的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c65530a9bca9f77484eed669a1f77.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0de67a5a63a0f53fe034bd24da39f0.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
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名校
解题方法
7 . 已知定义在
上的增函数
满足:
且对于
,
,都有
成立.
(1)求
的值,并解方程
;
(2)若对任意
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3587ff064f9af01371279ab75d22116c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e837bb2555b79c3374f6c509c8fba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57424d7aa1cbb43299eb51c16dab8b3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944d526af3eb667d689b54b78b32eddb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40434493a4774e724871a14a61e731b3.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020d2637b0eabbb0528b59ae4213f9b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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8 . 设
,若
,
,
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b269dce1ae3396d2afc82a91dc6f97ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896df31f80127adbae738b3a014bd4e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bbecf5d9f49e9bc711a372b6be5d07.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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名校
9 . 已知集合
具有性质
:对任意![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c639c7e5f1e7e7ee5d5ee2f30b155bb0.png)
且
,
与
至少一个属于
.
(1)分别判断集合
与
是否具有性质
,并说明理由;
(2)
具有性质
,当
时,求集合
;
(3)记
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109ddc973ddeb607835cc5f5b228ded1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c639c7e5f1e7e7ee5d5ee2f30b155bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962e7050769735338b8c0cd9feab57da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d0abe50bd46fbec83a804004b1faf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059a6c5a965c335b8da05e697da2c7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13ee542834ccbb57fcc55b1680ca9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)分别判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5018b4f7a0a9df867f49ca39393cceb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb1506c45b52467a64a40ab513d7dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bc095eb4e8a4e70b0e0f142289703c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d11173d3133a5c276eaad860779014f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cf2cb0b4c96031ab79f68b7ed1018b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16274ed3be91f1c9b7abe08990442cf.png)
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10 . 若函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb739f61450ad6461a8adef586fbcfdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbb9f18a0d87a29677064e84add2c6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb739f61450ad6461a8adef586fbcfdb.png)
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