解题方法
1 . 函数
是____________ (填写“奇”或“偶”)函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9569f265d19d2d0b6dbd1e79a706e3.png)
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解题方法
2 . 如图,四棱锥
中,底面
是矩形,
平面
,且
,
.
![](https://img.xkw.com/dksih/QBM/2020/7/28/2515651214589952/2517121559494656/STEM/90ed9233-2e12-4f42-a086-4ff9900e5cec.png)
(1)求四棱锥
的体积;
(2)若
分别是棱
的中点,则
与平面
的位置关系是______,在下面三个选项中选取一个正确的序号填写在横线上,并说明理由.
①
平面
;
②
平面
;
③
与平面
相交.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8067cc458cf12887177487c3cfb9c3.png)
![](https://img.xkw.com/dksih/QBM/2020/7/28/2515651214589952/2517121559494656/STEM/90ed9233-2e12-4f42-a086-4ff9900e5cec.png)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47891397990336f55f96bd66d367758b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b102c0fb7a1e3911e22535579ffa84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
您最近一年使用:0次
名校
3 . 给定函数
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/11/1/2841794053775360/2844968308850688/STEM/18a9513e-c0fd-405c-a013-8f425395b6a2.png?resizew=328)
(1)在所给坐标系(1)中画出函数
,
的大致图象;(不需列表,直接画出.)
(2)
,用
表示
,
中的较小者,记为
,请分别用解析法和图象法表示函数
.(
的图象画在坐标系(2)中)
(3)直接写出函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5293294a3ff3dfed3b5090e6ce56c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc99effa0aaad070a9ac83461c42c2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://img.xkw.com/dksih/QBM/2021/11/1/2841794053775360/2844968308850688/STEM/18a9513e-c0fd-405c-a013-8f425395b6a2.png?resizew=328)
(1)在所给坐标系(1)中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355aff360b365e8ac73f8cf0943c8031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7f5414a3f7ae588b5d9daabe8c0e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355aff360b365e8ac73f8cf0943c8031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355aff360b365e8ac73f8cf0943c8031.png)
(3)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355aff360b365e8ac73f8cf0943c8031.png)
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2021-11-05更新
|
632次组卷
|
6卷引用:福建福州延安中学2022-2023学年高二下学期第一次数学会考模拟试题
解题方法
4 . 已知函数
,(
且
)的图象经过点
.
(1)求
的值,并在直角坐标系中画出
的图象;
(2)若
在区间
上是单调函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f021f0afef99e697119f871d5e323e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a3619ccbcf65312754a970647014e5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88ea43f1e36cc084b861b7f5ea0c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
5 . 某车间为了规定工时定额,需要确定加工零件所花费的时间,为此进行了5次试验,得到零件数
(单位:件)与加工时间
(单位:小时)的部分数据,整理如下表:
根据表中的数据:
(1)求
和
的值;
(2)画出散点图;
(3)求回归方程
;并预测,加工100件零件所需要的时间是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de122ae929b1acaff321dec137622ed.png)
![]() | 1 | 2 | 3 | 4 | 5 | 合计 |
![]() | 10 | 20 | ![]() | 40 | 50 | 150 |
![]() | 62 | 68 | 75 | ![]() | 89 | 375 |
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ee8fc80a880ccceac24aa739fac39.png)
(2)画出散点图;
(3)求回归方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929ef3bed0a4bdd22f39e036506dc481.png)
您最近一年使用:0次