解题方法
1 . 已知定义在
上的函数
满足
,
,且
.
(1)求
的值;
(2)判断
的奇偶性,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e876debd1fc7a6f1f458c757f6e9f681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bc9c32ab68ddb51b1a4196f50081f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2024-01-29更新
|
298次组卷
|
2卷引用:广东省珠海市大湾区2023-2024学年高一上学期1月期末联合考试数学试题
解题方法
2 . 经过函数性质的学习,我们知道:“函数
的图象关于原点中心对称”的充要条件是“
是奇函数”.某数学学习小组对上述结论进行再探究,又得到一个真命题:“函数
的图象关于点
中心对称”的充要条件是“
为奇函数”.若定义域为
的函数
的图象关于点
中心对称,且当
时,
.
(1)求
的解析式;
(2)若函数
满足:当定义域为
时值域也是
,则称区间
为
的“保值”区间.若函数
在
上存在保值区间,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf75310b48015af5b03e8b4ea7a16ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4fcb96325645071888ff481e0c76ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d405fce6d6100285d9016b8bc9e1371.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72aa73c51a1589be4876d4902bbf27ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解题方法
3 . 函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8bcc4bab37068284661bc279166722.png)
您最近一年使用:0次
4 . 直线
与
间的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64d4fa25d1859bed753f8a0f555b0b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefd18333f55a3aa65c444d68feed1b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 在下列四个选项,其中正确的有( )
A.与向量![]() ![]() |
B.若对空间中任意一点O,有![]() |
C.两个非零向量与任何一个向量都不能构成空间的一个基底,则这两个向量共线 |
D.已知向量![]() ![]() ![]() ![]() ![]() |
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6 . 某学校有男生3000人,女生2000人,为调查该校全体学生每天睡眠时间,采用分层抽样的方法抽取样本,计算得男生每天睡眠时间均值为8小时,方差为1,女生每天睡眠时间为7.5小时,方差为0.5.若男、女样本量按比例分配,则可估计总体均值为______ 小时,总体方差为______ .
您最近一年使用:0次
7 . 已知点
,
,若点P满足
,则P的轨迹方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a0361a42c339c130f2c365e312c471.png)
您最近一年使用:0次
8 . 如图,已知函数
的图象与函数
的图象交于
两点.过
,
分别作
轴的垂线,垂足分别为
,
,并且
,
分别交函数
的图象于
,
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/dc67f42f-25b2-4b0e-83a8-2939a6056676.png?resizew=201)
(1)探究线段
与
的大小关系,并证明;
(2)若
平行于
轴,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5a0e5b12b88a5ab25b639c9afab445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61591499c836d86407c5af542ee4719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/dc67f42f-25b2-4b0e-83a8-2939a6056676.png?resizew=201)
(1)探究线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ee685a6d4799b0ba7e114a3906c0c0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa76cfd79a2ff6b28f370e54f4eb51d.png)
您最近一年使用:0次
名校
解题方法
9 . 袋子中有1个红球,1个黄球,1个蓝球,1个黑球,从中取三次球,每次取一个球,取球后不放回,设事件
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c06277f58864b69e8f3efb0782755c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da92db6365bf7ecdd69c792c00a51249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e7889285343cb7a8022aace86b5836.png)
A.![]() | B.![]() |
C.A与B相互独立 | D.![]() |
您最近一年使用:0次
2024-01-25更新
|
767次组卷
|
3卷引用:广东省珠海市大湾区2023-2024学年高二上学期1月期末联合考试数学试题
名校
10 . 任意抛掷一次骰子,朝上面的点数记为X,则
,定义事件:
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f40e1c27c0e94efddd6387aefdb7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45390d9eac7f9ec1fd7cd82c191365e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c3232367c45797622a2c974e8d8d4e.png)
A.![]() | B.![]() |
C.![]() | D.B,C相互独立 |
您最近一年使用:0次
2024-01-25更新
|
385次组卷
|
6卷引用:广东省珠海市大湾区2023-2024学年高二上学期1月期末联合考试数学试题