解题方法
1 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
A.![]() | B.![]() ![]() |
C.若![]() ![]() | D.![]() |
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解题方法
2 . 已知
是定义在
上的奇函数.
(1)求
的解析式;
(2)已知
,若对于任意
,存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7686198477e82befeebe163c8f521ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afdf7c8f771c4605d81e519e13c6dc87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0984867afe93021a6917f32694ae1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05af9933e2e059567ce364975b601b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
3 . 已知函数
.
(1)诺
为偶函数,求
的值;
(2)若
为奇函数,求
的值;
(3)在(2)的情况下,若关于
的不等式
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84a452b5bc7705e5ac83155f1990cd0.png)
(1)诺
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)在(2)的情况下,若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7853190eac5b25819a86097bdfea8c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2024-02-18更新
|
368次组卷
|
3卷引用:广东省茂名市高州市石鼓中学2023-2024学年高一下学期第一次校际联考数学试卷
名校
解题方法
4 . 某地区打造特色干果产业,助力乡村振兴.该地区某一干果加工厂,打算对干果精加工包装后通过直播平台销售干果,每月需要投入固定成本5万元,月加工包装x万斤需要流动成本
万元.当月加工包装量不超过10万斤时,
;当月加工包装量超过10万斤时,
.通过市场分析,加工包装后的干果每斤售价为12元,当月加工包装的干果能全部售完.
(1)求月利润
关于月加工包装量x的解析式;(利润=销售收入-流动成本-固定成本)
(2)月加工包装量为多少万斤时,该广获得的月利润最大?最大月利润是多少?(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce9d39dc87091db9bdcc05b8fb1a10a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f0529e93072e167bf6a5140eafb2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076b41372168cc3ebb53a697990fb900.png)
(1)求月利润
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)月加工包装量为多少万斤时,该广获得的月利润最大?最大月利润是多少?(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c6dbc06493f4d4614990e7822a5343.png)
您最近一年使用:0次
2024-01-31更新
|
141次组卷
|
3卷引用:广东省茂名市高州市第一中学2023-2024学年高一下学期开学考试数学试题
5 . 已知函数
.
(1)当
时,不等式
总成立,求a的取值范围;
(2)试求函数
(
)在
的最大值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b39c5d66018f0736a0457961c91e1c0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05e628c2f39ff7c784b0b218f4da2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8419522813a2011950f6c702e0f04.png)
(2)试求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0723c54b45bdee5cab7c4fce566a6052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08290af79305df59bc0a1fc2b7c4f7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e208a9fea2042a54654fd8b76e064087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b71d95f5c9873b048f558c3b8b50529.png)
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名校
6 . 关于函数
,下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e707114bc4b4c03110f1026b348857.png)
A.函数图象关于![]() |
B.函数的递增区间为![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
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名校
解题方法
7 . 已知
是定义在
上的奇函数.
(1)求
的解析式;
(2)若对于
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5c0fc0739eb35bab60796680057cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376724b3330327e995c3945586f10172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
,若对任意
,总存在
,使
成立,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74646cab877031bab19600fc21417925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb0e58e4624e55e4c5b880b84652220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8d908773b59dd4e5056341faa2a962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9 . 已知
,方程
有四个不同的根
,
,
,
,且满足
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dc42c69d8e6d715e9a4407511e4486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bfd07ab815c3947383ebcffcc30ba1.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
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10 . 已知函数
是偶函数,且
,
.
(1)当
时,求函数
的值域;
(2)设
,
,求函数
的最小值
;
(3)设
,对于(2)中的
,是否存在实数
,使得关于
的方程
在
时有且只有一个解?若存在,求出实数
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3067e2ce6964dd8a4657f33ff1020e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87be090ba8340348b4894c0ad1ce3662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f76a0407dc64862b341524e8f3d7164.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df0a357d2b5b8a4762b35cd999a0185a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeae227ddcd963101c96448b12a69d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9248f8b5bc8c31bce7da86983b6c155e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65f98fb31af1299a4d4b31d67a240b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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