名校
解题方法
1 . 已知偶函数
满足
,且在区间
上是减函数,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a294ac176a455e749d73aedb6eb7f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347bb4ffedcbea2f4c16d047a138d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b52d15c2861aa75bef614dc338fba7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713df5bb4da43b175f6aab2b9753bb79.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
2 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f4a96a8b664aab1e1c304808d911ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05567cfc086637a29c0f39f04890c56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c7b6661c69b74691f540e4f577748b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f451719a2b40e2ed1244c830494cf28.png)
_________________ .(用
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3944cbd5cdb6a81c652fc281733184f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949bc822a2afe033af42e74417b7724b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f451719a2b40e2ed1244c830494cf28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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名校
解题方法
4 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01cdda20b6ce817079f0c5261f15a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbde239ac104cb28a29cdb49ccd8014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3835ec9c7b16a4b2ffd049cbb4242007.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
5 . 函数
的定义域是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c78a66cec0ac5de2347f394ba9328db.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
是定义在
上的单调函数,
对
恒成立,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6640674a7e40bca4d2350c17eb594d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedc1c8a16e306bcd6e5154f9ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2047c73261796bf4ce4703069b9acedc.png)
您最近一年使用:0次
名校
解题方法
7 . 若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c7821ad4738d4e877bcecf2b5665be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d25400e91a9d2bf79b8dc38ad371db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d1c7055fc3cc0a24380158dcb771fd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-11更新
|
359次组卷
|
3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
8 . 设全集
,集合
.集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cd9e05f299b102c8a3308801dfba48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a724a7dbfdcaa4784c36554fbc5e19d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d19c887002cc13f351b14b929c02d1d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
9 . 中国的
技术领先世界,
技术中的数学原理之一是香农公式:
,它表示在被高斯白噪音干扰的信道中,最大信息传送速率
取决于信道带宽
、信道内所传信号的平均功率
、信道内部的高斯噪音功率
的大小,其中
叫做信噪比.若不改变带宽
,而将信噪比
从1000提升至2500,则
大约增加了( )(附:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b27772ded41cb6beecf19d5da91e82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b27772ded41cb6beecf19d5da91e82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ff2e023e0918136daf4dcd8cdb6c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c91fa27331e9958df48fd5633432e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c91fa27331e9958df48fd5633432e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d408a05a872e378450e849b2811e54c8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-21更新
|
887次组卷
|
2卷引用:辽宁省十一校重点高中联合体2024届高三下学期3月联合考试数学试卷
10 . (1)已知
,求
的值;
(2)求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c9f990fc696c4b27d02cb9e92fe9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ae49451ecb6c50998bcb28c3e0da4f.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296b34aa1f668a7f5362bed6de4da84c.png)
您最近一年使用:0次
2024-01-18更新
|
683次组卷
|
3卷引用:辽宁省名校联盟2023-2024学年高一下学期3月联合考试数学试题