名校
解题方法
1 . 下列说法不正确的是( )
A.函数![]() ![]() |
B.函数![]() ![]() ![]() |
C.若![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知集合
,若
且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d8d2066c889853be7edf105407ce1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8175dc086640a31fd4291f7e113814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93ea558eaffc36d5c6da5c0725a9ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
A.2 | B.![]() | C.![]() | D.1 |
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名校
3 . 如图,正方形
的边长为4,
. 若
,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d0ce2e815d003d307b9466c233949a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888d73cee46ca290a32011f7a876c03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592af988feedcd63e0fa602c8594619a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/16/defc027d-4c63-400a-a1cf-21df92ce266a.png?resizew=153)
A.12 | B.15 | C.32 | D.![]() |
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2024-04-16更新
|
205次组卷
|
2卷引用:辽宁省辽阳市集美中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
4 . 已知函数
,将函数
的图象上的点纵坐标不变,横坐标变为原来的
倍,再向右平移
个单位长度,得到函数
的图象.
(1)写出函数
的解析式;
(2)试判断
,
,
的大小;
(3)如果函数
的定义域为
,若对于任意
,
,
,
分别为某个三角形的边长,则称
为“三角形函数”.记
,当定义域为
时,
为“三角形函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368c73c5b1fc66954165a11ebd9bba5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ce6538c92bc0e9d9472b8077f51e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7200b19ef5b480d90ceacc189fe181b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d2e52a48a1354e7332e62aa1400104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ff3d50d490895bfdd15748cbc56e7c.png)
(3)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745613b6793bc25c3294ea4fdf7a288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0147d2411613220845231f6fe0cac0bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f0f5e409eba7972181c22b1e130316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51dda51f07086ef1e52ccd5fc5e32a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317285a1c0d9ca521bc08812a82857f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0b1b34a0cb69bd9e0a4622b6352968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
5 . 设,则与其平行的单位向量有( ).
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 在第六章 平面向量初步中我们学习了向量的加法、减法和数乘向量三种运算,以及由它们组合成的线性运算.那向量乘法该怎样运算呢?数学中向量的乘法有两种:数量积和矢量积.这些我们还都没学到.现在我们重新定义一种向量的乘法运算:若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcaede6a5d1af22d77f2e8d3c657f2a.png)
.请按这种运算,解答如下两道题.
(1)已知
,
,求
.
(2)已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5ff001ef123d38787c6c8492953735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17097fa0e7ce88aa5f2ea1c9147d7ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcaede6a5d1af22d77f2e8d3c657f2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae8630b3ea4d5b213a107b676f9dedc.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b981b38133d5d65060dd8ff4d65a66be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8692ef8acd42019a44b6d064d980b396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db35dbee504e3e66bfd03c24e4b7322.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b981b38133d5d65060dd8ff4d65a66be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04730664c0e911227fa73b520c026e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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名校
解题方法
7 . 已知
表示不超过
的最大整数,例如:
,
.定义在
上的函数
满足
,且当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3821a8de1951d6fe6bcf05ed0fedb586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239da0d432f374cbd47bbcc3f120bc6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31cc0ada3e13a381c1d4186d239ebcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58bbbdde60cf4f80c3ea6a1740edba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbb1aa709e3afe2a9afdd8957768438.png)
A.![]() |
B.当![]() ![]() |
C.![]() ![]() |
D.关于![]() ![]() ![]() |
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2024-02-14更新
|
402次组卷
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2卷引用:辽宁省沈阳市第一二〇中学2023-2024学年高一下学期第一次月考数学试题
解题方法
8 . 对某城市进行气象调查,发现从当天上午9:00开始计时的连续24小时中,温度
(单位:
)与时间
(单位:
)近似地满足函数关系
,其中
.已知当天开始计时
时的温度为
,第二天凌晨3:00时温度最低为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b077f397f54943d2af4334c7bde3b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933311c0c090e1138e4dd388b7adf8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbedec3a1c7992fd011501583193a188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238dccfbd5e8c3031f2f86088739ece1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80461be584c9f40996d6203229003050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1ea1c0b768f231430b1ae0836a4e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1507c8624ec73db5808c970d693dff7.png)
A.![]() |
B.当天下午3:00温度最高 |
C.温度为![]() |
D.从当天晚上23:00到第二天清晨5:00温度都不高于![]() |
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2024-02-12更新
|
571次组卷
|
4卷引用:辽宁省鞍山市海城市第三高级中学2023-2024学年高一下学期4月月考数学试卷
辽宁省鞍山市海城市第三高级中学2023-2024学年高一下学期4月月考数学试卷江苏省常州市2023-2024学年高三上学期期末学业水平监测数学试卷(已下线)第5套 最新模拟重组精华卷5---模块一 各地期末考试精选汇编(已下线)1.8 三角函数的简单应用-同步精品课堂(北师大版2019必修第二册)
名校
解题方法
9 . 设函数
,
,
.
(1)求函数
在
上的单调区间;
(2)若
,
,使
成立,求实数a的取值范围;
(3)求证:函数
在
上有且只有一个零点
,并求
(
表示不超过x的最大整数,如
,
).
参考数据:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89231f0078f75ad0193f9aec97b9286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3e40a1b375c50331403283bfd7139b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0167434c2c1a16e59e89d436ac0a1278.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69fc78bba43797d2f81cb912f2d05c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac0afd127806b03435a649606544fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe53bb5e833f83c2d8290d195fabf02b.png)
(3)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5e51f08fcfaa95b58f3a14c8250a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41667e2986ec718cabeeb1088794ed67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04309e875209bde5b87438535ea3b1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977353e0326dc27334a2940f1149e973.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dad09268b7cb8bfcbea010cb6d2a29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e143d31a5ae4d2fb8cba2466bae1fe54.png)
您最近一年使用:0次
2024-01-06更新
|
656次组卷
|
6卷引用:辽宁省抚顺市第一中学2023-2024学年高一下学期3月月考数学试题
10 . 若函数
的最小值为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbb627b0ec5e011b7bf8a21437d1c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.存在实数![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-10-12更新
|
393次组卷
|
3卷引用:辽宁省部分学校2023-2024学年高三上学期10月月考数学试题