1 . 设
,
(1)求证:
,
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd056fe6bde85d1452489f57a7d3bec.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d697832e4006f4392113a62cf83b1116.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395029006ef4d999269d024608a0a0ac.png)
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2 . 下列四组函数中表示同一个函数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知函数
是偶函数,其定义域为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1797105dc7f75fad8449f83cebc632cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd4d61a9b69f1d0e5370de0a483babc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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2024-01-03更新
|
976次组卷
|
3卷引用:云南省腾冲市2022-2023学年高一上学期期中教育教学质量监测数学试卷
云南省腾冲市2022-2023学年高一上学期期中教育教学质量监测数学试卷(已下线)专题03 函数性质的综合问题-【寒假自学课】(人教A版2019)广东省2024届高三第一次学业水平考试(小高考)数学模拟试题(三)
名校
解题方法
4 . 已知定义域为
,值域为
的函数
满足
,
,
.当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d13250b9741311635d2f6dd077542b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d87af44c5f53467c0e02e0841df355c.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.不等式![]() ![]() |
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2024-01-01更新
|
279次组卷
|
2卷引用:云南省部分学校2023-2024学年高一上学期期中联考数学试卷
5 . 下列关于函数
的说法正确的是______ .
①
是
的函数;②
是
的函数;③对于不同的
,
也不同;④
表示当
时,
的函数值是一个常数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
①
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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6 . 若“
,
”为真命题,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c226004e1fef7e9ff7686b8f7c8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2380f2daf2ad77fb1f3a0723936766f5.png)
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解题方法
7 . 若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3039f6d79e13e820f873657bd21f45d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18672da192c8adfaf5b0d4e03a26d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff43ee0759ded11ed553fb19e9cde4ae.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 设
.
(1)当
时,
的最小值是______ ;
(2)若
是
的最小值,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dccbab2024526891c9defd90980a504.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd82b5223c2a708c1729db2a3750990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
9 . 已知二次函数
.
(1)若
为偶函数,求
在
上的值域;
(2)当
时,
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4809532985794c21b97140767dfd0439.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd24da2f3276341a8e5f6d2e8690402.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f8ffb5afc3de70c4fcd054c492a6e8.png)
您最近一年使用:0次
解题方法
10 . 某品牌电动汽车在某路段以每小时
千米的速度匀速行驶
千米.该路段限速,
(单位:千米/时).充电费为
元/千瓦时,电动汽车行驶时每小时耗电
千瓦时,轮䏩磨损费为
元/千米,道路通行费为
元/千米.
(1)求这次行车总费用
关于
的表达式;
(2)当行车速度
为何值时,这次行车的总费用最低?最低费用为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba602bfa3a3ffb4fb43dc0f704a7f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617583bb29d89bdf408d86501a43a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8f58755aee89fb2cf72ba518dcee2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee095b0272ce2b82e6b1ecb69bdb17d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6256bee48bcb33b4d5561493a8cae77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
(1)求这次行车总费用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当行车速度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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