解题方法
1 . 已知集合
(其中
是虚数单位)
,定义:
,
.
(1)计算
的值;
(2)记
,若
,且满足
,求
的最大值,并写出一组符合题意的
、
;
(3)若
,且满足
,
,记
,求证:当
时,函数
必存在唯一的零点
,且当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531f55c9de4647282bc0424a81f4fd25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddb621d78a738eba6ebafecbbd7d06e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47aa3fcf666d1169ceca5e1e720b926e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ccc73232efc9d641adcbae21035944.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ff8b406a295a58f4fbb36b4c292fa.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be674fcbd2fd1a608fd4a9705c70db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20e7c6170cd75c5a40d7e695eda15e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e95d018246b699601d127e79ec46131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f82089a3186fdffaa2535faebd3d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f7d480cfc89b872404666083e62db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546ababc482b51df95c4aba05ee18c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d828db2a08e2a1da164a0012cc6627a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661249bf6499017f9e5e03db3fcd93d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d5ec74c81f7d02f273f7eecefaf9a7.png)
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2 . 已知
.
(1)若
,求
的值;
(2)将函数
的图象向右平移
个长度单位,再将横坐标伸长为原来的2倍,纵坐标不变,得到函数
的图象,求函数
的单调增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a927549c7bcd497b4e4e709404f6f9f5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cd502af8424288431c6d6f27b89f73.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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3 . 已知函数
的部分图象如图所示,其图象上最高点的纵坐标为2,且图象经过点
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/11/bc19195a-89b6-4a2b-9c16-9a8e9af4df07.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5cb5565a027e0721930e44cd9a71b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14de769d967b27bf60c007e7474a248d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/11/bc19195a-89b6-4a2b-9c16-9a8e9af4df07.png?resizew=141)
A.![]() |
B.![]() |
C.![]() ![]() |
D.方程![]() ![]() |
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2024-06-05更新
|
563次组卷
|
2卷引用:河南省商丘市部分学校联考2024届高三下学期5月适应性考试数学试题
2024高三·全国·专题练习
4 . 阻尼器是一种以提供运动的阻力,耗减运动能量,从而达到减振效果的专业工程装置.如图,是被称为“镇楼神器”的我国第一高楼上海中心大厦的阻尼器.由物理学知识可知,某阻尼器模型的运动过程可近似为单摆运动,其离开平衡位置的位移S(cm)与时间t(s)的函数关系式为
,若该阻尼器模型在摆动过程中连续三次位移为
的时间分别为
,
,
,且
,
,则下列为
的单调区间的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6349f0b1b0f9ee6c59ccf7791de3eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3313ceb96689abc7d94e649c59063aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db31d2bbc9b044646fd026f239e7b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cdde426db07cad502e0524338a2a433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf84799c5f76cb2afa081ceb925c089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b096e36a68bb4f953f4f2d507af022.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知函数
.
(1)求
的单调递增区间;
(2)
中角A.B.C所对的边为a,b,c,若
,且
边上的高
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7603e3792bdb707d2b0bbec3294d9e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad850a55b26a29b7661ab895e44e97da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b3dc2cc4d8a507075b6704e3ed774f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec6fb9e0625b85be3103d317fbb0cca.png)
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6 . 设
,
均为锐角,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116a4f1c8b51d1993e6d7c054e2ed5d7.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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7 . 已知函数
,则下列结论中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebb844da8d0bb0676ed3f0a70530fc7.png)
A.函数![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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解题方法
8 . 对于
有如下命题,其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.在锐角![]() ![]() |
D.在![]() ![]() ![]() ![]() |
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2024-05-09更新
|
812次组卷
|
4卷引用:江苏省海安高级中学2023-2024学年高一下学期期中考试数学试卷
解题方法
9 . 已知函数
满足
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b83b9c3e472efa966b4fc82164d090c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b9353a5073a237d0f7dbe8bc998b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92c92e07a25dd17830fc07eedf2e75c.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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10 . 已知函数
在区间
上单调递减,则函数
的解析式可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cec6d7c1006af4baabab633540a2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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