名校
1 . 已知函数
,用
表示
中的较大者,记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/a70714dc-58ff-4261-9285-cb42136be7b7.png?resizew=210)
(1)写出函数
的解析式,并画出它的图象;
(2)当
时,若函数
的最小值为
,求实数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034aa1bd7b1dcf28817724dcf9a0727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c065dc2782f5e5a662df2ea357b9c31.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/a70714dc-58ff-4261-9285-cb42136be7b7.png?resizew=210)
(1)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e0c1abf0378a7f5d79672f622b275e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a823d252e3098fca0f83e48e2d3ae9ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-11-11更新
|
386次组卷
|
3卷引用:广东省深圳市第二实验学校2023-2024学年高一上学期期中数学试题
名校
解题方法
2 . 已知
是定义域为R的奇函数,当
时,
.
(1)求函数
的解析式;
(2)画出函数
的图像;
(3)若函数
在
上单调递增,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ed92f58d44ee590c425bc741195c1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4433abcf61cb7a015764b43f11fe6d75.png)
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2022-10-31更新
|
525次组卷
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3卷引用:广东省东莞市厚街中学2022-2023学年高一上学期第一次月考数学试题
3 . 辆高速列车在某段路程中行驶的速率v(单位:
)与时间
(单位:
)的关系如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/2c6d2232-c192-4d32-aa91-7fd38f643db6.png?resizew=399)
(1)求梯形
的面积,并说明所求面积的实际含义;
(2)记梯形
位于直线
的左侧的图形的面积为
,求函数
的解析式,并画出其图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca55c030e7d88040525c4fb9a278f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933311c0c090e1138e4dd388b7adf8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/2c6d2232-c192-4d32-aa91-7fd38f643db6.png?resizew=399)
(1)求梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
(2)记梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c67d2fa597fb81c8943ddfcd011227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b35d2aa8af392c852eb9b1cb1732bd.png)
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名校
解题方法
4 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/d078325c-bdbf-40b5-ae80-6d5720ff874d.png?resizew=229)
(1)求
的值;
(2)若
,求a的取值范围;
(3)画出函数
的图象,若方程
有三个解,求b的取值范围(直接写出答案)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a58d9b8d31c5187ccba4ec6fd85a520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/d078325c-bdbf-40b5-ae80-6d5720ff874d.png?resizew=229)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01562259624de6721ad48ff13aafb89.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbd6362b7d43800e490dca0a256239c.png)
(3)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4225e667aeed4271244b98e820964a17.png)
您最近一年使用:0次
2022-10-20更新
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978次组卷
|
6卷引用:广东省广州市育才中学2023-2024学年高一上学期期中数学试题
名校
5 . 已知函数
是定义在
上的偶函数,且当
时,
,现已画出函数
在
轴左侧的图象,如图所示,请根据图象.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/552e1125-50b7-444e-a5f9-ec9821c5f406.png?resizew=223)
(1)补充完整图象并写出函数
的增区间;
(2)写出函数
的解析式;
(3)若函数
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/552e1125-50b7-444e-a5f9-ec9821c5f406.png?resizew=223)
(1)补充完整图象并写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7f04a0d543ab3f626b6fff5d2305f7.png)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7f04a0d543ab3f626b6fff5d2305f7.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3e8f8d4cd047c61800c3babeeddc54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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2022-04-16更新
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724次组卷
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6卷引用:广东省广州市第五中学2022-2023学年高一上学期第一次段考数学试题
解题方法
6 . 对于等式
,如果将
视为自变量
,
视为常数,
为关于
(即
)的函数,记为
,那么
,是幂函数;如果将
视为常数,
视为自变量
,
为关于
(即
)的函数,记为
,那么
,是指数函数;如果将
视为常数,
视为自变量
为关于
(即
)的函数,记为
,那么
,是对数函数.事实上,由这个等式还可以得到更多的函数模型.例如,如果
为常数
(
为自然对数的底数),将
视为自变量
,则
为
的函数,记为
.
(1)试将
表示成
的函数
;
(2)函数的性质通常指函数的定义域、值域、单调性、奇偶性等,请根据你学习到的函数知识直接写出该函数
的性质,不必证明.并尝试在所给坐标系中画出函数的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a2991a3f4c7d0f4cc8e0425d8c7bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce04612f2dc7928760c86f67a883df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca93fca4ed03556a8261286386f8abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca02970d65fea8d2e9dab7dc060f073f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf7ee57490ef5f04b72050592ba1436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)试将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数的性质通常指函数的定义域、值域、单调性、奇偶性等,请根据你学习到的函数知识直接写出该函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896474718625792/2948205426188288/STEM/3b411d2b0e7c4e518b1909a0c8656bbe.png?resizew=327)
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名校
7 . 在密闭培养环境中,某类细菌的繁殖在初期会较快,随着单位体积内细菌数量的增加,繁殖速度又会减慢.在一次实验中,检测到这类细菌在培养皿中的数量
(单位:百万个)与培养时间
(单位:小时)的关系为:
根据表格中的数据画出散点图如下:
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898435823640576/2921477800157184/STEM/69fddad1-eaa7-4dfc-aea8-d29c4047c49f.png?resizew=190)
为了描述从第
小时开始细菌数量随时间变化的关系,现有以下三种模型供选择:
①
,②
,③
.
(1)选出你认为最符合实际的函数模型,并说明理由;
(2)利用
和
这两组数据求出你选择的函数模型的解析式,并预测从第
小时开始,至少再经过多少个小时,细菌数量达到
百万个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898435823640576/2921477800157184/STEM/69fddad1-eaa7-4dfc-aea8-d29c4047c49f.png?resizew=190)
为了描述从第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508bc81990bc88f610fb77b42f01d85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a418b17985bab28ce56097473340dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb933c19ee6f901a189a33345d816c57.png)
(1)选出你认为最符合实际的函数模型,并说明理由;
(2)利用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bb7ff5012ac35f2e5fa64b0247ce93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9094bcc858b1ebeb0c5a285ca491d139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
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2022-02-22更新
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1030次组卷
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7卷引用:广东省佛山市三水实验中学2022-2023学年高一上学期第二次月考数学试题
名校
8 . 已知函数
的图象关于原点对称,且当
时, ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7345a26c4d99ebd0f1ce04047619b28e.png)
(1)试求
在
上的解析式;
(2)画出函数的图象,根据图象写出它的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7345a26c4d99ebd0f1ce04047619b28e.png)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)画出函数的图象,根据图象写出它的单调区间.
您最近一年使用:0次
2021-12-25更新
|
398次组卷
|
5卷引用:广东省深圳市南山实验教育集团华侨城高级中学2022-2023学年高一上学期期中数学试题
名校
9 . 已知
是定义在
上的奇函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853179931123712/2860102761275392/STEM/1317788004224df3ab928694a72b87c4.png?resizew=209)
(1)求
的值;
(2)求
的解析式;
(3)画出
的简图;写出
的单调区间(只需写出结果,不要解答过程).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853179931123712/2860102761275392/STEM/1317788004224df3ab928694a72b87c4.png?resizew=209)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2ba2f4907adcdfe1436e6ca055c227.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
您最近一年使用:0次
2021-11-27更新
|
514次组卷
|
10卷引用:广东省揭阳市榕城区仙桥中学2021-2022学年高一上学期期中数学试题
广东省揭阳市榕城区仙桥中学2021-2022学年高一上学期期中数学试题广东省深圳联盟校2023-2024学年高一上学期期中数学试题山西省运城市教育发展联盟2021-2022学年高一上学期10月月考数学试题天津市第四十七中学2021-2022学年高一上学期期中数学试题河南省焦作市县级重点中学2021-2022学年高一上学期期中考试数学试题辽宁省锦州市黑山县黑山中学2022-2023学年高一上学期9月月考数学试题天津市天津中学2022-2023学年高一上学期期中数学试题江西省鹰潭市余江区城北学校2022-2023学年高一上学期期中考试数学试题福建省厦门市海沧中学2022-2023学年高一上学期期中数学试题江西省赣州市大余县梅关中学2023-2024学年高一上学期期中数学试题
解题方法
10 . 已知函数
是定义在
上的偶函数,且当
时,
.现已画出函数
在
轴左侧的图象,如图所示.
![](https://img.xkw.com/dksih/QBM/2021/11/13/2850524790702080/2852017371504640/STEM/98f4836f-e385-4e84-9038-d3a5abf94f67.png?resizew=240)
(1)请补充完整函数
的图象;
(2)根据图象写出使
的
的取值范围.
(3)当
时,请写出
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/2021/11/13/2850524790702080/2852017371504640/STEM/98f4836f-e385-4e84-9038-d3a5abf94f67.png?resizew=240)
(1)请补充完整函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)根据图象写出使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9e20a39cacec31149b13c40867ed36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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