名校
解题方法
1 . 已知函数
是偶函数,
是奇函数.
(1)求实数
的值;
(2)若关于
的不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edba9d657afc1b921b6a626b6b9c4bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b598239ee8f938eda6d1281944efe81.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7955baa98437b38e2f0e45c8bdae1538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 设正实数
分别满足
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d228d678dfef31b63ccf1a1739a3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
3 . 道路密度是指该路段上一定时间内通过的车辆数除以时间,车辆密度是该路段一定时间内通过的车辆数除以该路段的长度,现定义交通流量为
,
为道路密度,
为车辆密度,
.已知当道路密度
时,交通流量
,其中
.
(1)求
的值;
(2)若交通流量
,求道路密度
的取值范围;
(3)求车辆密度
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e829a484e6b203719c636c23614851a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fc8e882b4e76905b05c574322f08c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ae43849c6c6f222cd292d177f7a742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若交通流量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30e4b464e3ef645fa1780523c56b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求车辆密度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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解题方法
4 . 某公司生产
产品,每月的固定成本为10000元,每生产一件
产品需要增加投入80元,该产品每月的总收入
(单位:元)关于月产量
(单位:台)满足函数:
.则该公司的月利润的最大值为___________ 元.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cf3df6e73cec742983320aef0a3c37.png)
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名校
解题方法
5 . 下列函数中,既是奇函数又是减函数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a51180da3fd7542fe000e6ad06e49a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960550d5bd0c15401f2b7e7fef59c653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-03更新
|
543次组卷
|
2卷引用:四川省自贡市蜀光中学2023-2024学年高一上学期12月月考数学试题
解题方法
7 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece6dba6dcfdd024b30aaffd5baa47ef.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3343ba26edd09072fa7bbedcf2c38ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece6dba6dcfdd024b30aaffd5baa47ef.png)
您最近一年使用:0次
2024-01-02更新
|
733次组卷
|
2卷引用:四川省泸州市蔺阳中学2023-2024学年高一上学期12月月考数学试题
名校
8 . 已知函数
,函数
有四个不同的零点
、
、
、
,且
,则下列四个选项中正确的选项为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9360702d2f908e6ebf6db056e514c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c82c1ec9a0ff6eec86178962285f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
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9 . 计算下列各式的值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81e051391798b29600c0a1be32f6ea5.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81e051391798b29600c0a1be32f6ea5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abfda8667d3d36d27d520a445019a39.png)
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10 . 已知
,函数
.
(1)当
时,解不等式
;
(2)若关于
的方程
的解集中恰有两个元素,求
的取值范围;
(3)设
,若对任意的
,函数
在区间
上的最大值与最小值的和不大于2,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b2712debcab48c4170c72794d8c471.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2aeda5c6f101566159dd4c460b943b2.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e9db9750a44fcef925672cf654dbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a242d77106235f060b3221b3ea32d486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82dca4a0e082b5cbdb1beb6f4d1e2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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