解题方法
1 . 设函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c056e0738314ea7cce41cf12de8ddc.png)
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176cc960236e3108d66448938feddaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c056e0738314ea7cce41cf12de8ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4f355c7770d1725a5961068fa76a6d.png)
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解题方法
2 . 已知函数
(a为常数.且
),
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e3af0dcd37fce1b21b35c9d0368518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ddfb0d2cb78e7388619a0557bad091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/334a2ea1a906d803a281dade05b97515.png)
A.4 | B.6 | C.8 | D.10 |
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名校
3 . 函数
的部分图象如图所示,
(1)求函数
的解析式和单调递增区间;
(2)将函数
的图象上的各点的纵坐标保持不变,横坐标伸长为原来的2倍,得到函数
的图象,若
时,
的图象与直线
恰有三个公共点,记三个公共点的横坐标分别为
且
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca52e9b681b6b8fd19963644cb648080.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/2df43a9b-4f3d-4642-9bab-74bf582f1910.png?resizew=161)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd5b50eca92d9948792c4bfe9e7991f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a10c3b431d95bb70bacd0a793d5582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab480ea5d44a70a89cbc6a06c922e63e.png)
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4 . 设
为正整数
的各数位上的数字的平方和,例如
.记
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9f8c82aa2a99a423e2b66328cc961d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781c5979c86f2f80db32b2e887235234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643a4248bc5bea50c848951ed9368d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9f8c82aa2a99a423e2b66328cc961d.png)
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5 . 高斯函数
是用德国著名的数学家高斯的名字命名的,即设
,用
表示不超过
的最大整数,例如
,
.已知函数
,有下列四个结论:①
;②
在
上单调递增;③
的最小值为0;④
没有最大值,其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179c645736d68c90023f83d7f11ed01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985227b7b4703f3ed8717d0abc4febfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec13b2c5950301683e240faf02340617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e86444c5514b63b441f29c0f511750a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956cd0c33242381c2f977ab7b0435448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.①②③ | B.①③④ | C.①④ | D.①② |
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2024-04-08更新
|
191次组卷
|
2卷引用:山西省大同市第二中学校2023-2024学年高一下学期3月月考数学试题
2024高一·全国·专题练习
解题方法
6 . 定义在
上的函数
满足下面三个条件:
① 对任意正数
,都有
;② 当
时,
;③ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90410e6b36534af528279929df22f1b3.png)
(1)求
和
的值;
(2)试用单调性定义证明:函数
在
上是减函数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4a2b3998705e51dbade9ada0873b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
① 对任意正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be879fbc442967ee34e8e3efac88eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90410e6b36534af528279929df22f1b3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486e282537cf72c6908f7ecfa4ef4cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338ba492bee2f1d1f2bcf3d72a6cbe89.png)
(2)试用单调性定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4a2b3998705e51dbade9ada0873b2b.png)
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解题方法
7 . 函数
对任意的实数a,b,都有
,且当
时,
.
(1)求
的值;
(2)求证:
是R上的增函数;
(3)解关于实数x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5b5f09650569f1846f451c09585728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2180e18416d40abb243bd23984e7aba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)解关于实数x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6706a0de427b238c481d4bb5fcc692.png)
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解题方法
8 . 已知
是三角形的内角,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e6c9c9e4a7a59fe67e64ccadaaca33.png)
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e6c9c9e4a7a59fe67e64ccadaaca33.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbec5478696a5fdec3f4d95fc93feb6f.png)
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9 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ea03c39b9e7a790bf5e73d28b33eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfe48e53643c47a5292dfd170663737.png)
A.2022 | B.2023 | C.2024 | D.2025 |
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名校
解题方法
10 . 对于函数,满足“
,都有
,
”,且
,则
=
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