解题方法
1 . 已知
,记
的前
项和为
,若数列
,记
的前
项和为
,若对于任意的
,不等式
恒成立,则实数
的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527e4aaeb01b4c3b281f38766781fda8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a39bc26103874b3e963cc4407a3fd41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c042bc966a676fccad5c1d7cdf353a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f462c37183f2b703f0c3167fa230e121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19d1aaee443cbb025ff608c9a48b3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693790bbbf6b8da0590d9cb1ee06fadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.0 | C.![]() | D.2 |
您最近一年使用:0次
解题方法
2 . 已知函数
,
.
(1)若函数
在
上单调递减,求实数
的取值范围;
(2)若函数
为偶函数,且对于任意
,
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8be828835d46dee7afc9cb2aa81302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd0093ea5f6d71f54b66cc97cb1a88c.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd40746b7523a9937262dd519ac452bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe12c440d5d8c07924dbf67a8bf2120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bf60c5e8996d138198fe74f30ce520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78756164f0dea204498c23367b43a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 某电饭煲厂生产了一款具有自主知识产权的电饭煲,每个电饭煲的生产成本为150元,出厂单价定为200元.该厂为鼓励销售商订购,决定当一次订购量超过1000个时,每多订购一个,订购的全部电饭煲的出厂单价就降低
元.根据市场调查,销售商一次订购量不会超过2000个.
(1)设一次订购量为
个,电饭煲的实际出厂单价为
元,写出函数
的表达式;
(2)当销售商一次订购多少个时,该电饭煲厂获得的利润最大,最大利润是多少元?
(电饭煲厂售出一个电饭煲的利润=实际出厂单价-成本)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4011f461fc06f994ef11076ab722c8d.png)
(1)设一次订购量为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd769d881ae9a3647c28057c491d5500.png)
(2)当销售商一次订购多少个时,该电饭煲厂获得的利润最大,最大利润是多少元?
(电饭煲厂售出一个电饭煲的利润=实际出厂单价-成本)
您最近一年使用:0次
4 . 已知函数
,
,若对于任意
,存在
,使得
,则实数a的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc103e3555585a9c3b7531760d574433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7303dcf25bf8aa37a7ad3c6095417a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b440b792b9ec93d9aedabfb100892eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3b1f02a33e3370d59d60cf58682a6.png)
您最近一年使用:0次
5 . 已知函数
.
(1)判断函数
的奇偶性;
(2)判断函数
的单调性,并用单调性定义证明;
(3)若关于x的不等式
有解,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362bfce584209628bc4ad3f23e3d7b11.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647ea11bbf59e5b1446f9fb04c5d58a3.png)
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6 . 已知函数
的图象两相邻对称轴之间的距离是
,若将
的图象先向右平移
个单位长度,然后将图象上的每个点横坐标变为原来的2倍,再向上平移2个单位长度后,得到函数
的图象,
图象关于
轴对称且经过坐标原点.
(1)求
和
的解析式;
(2)若对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48606127a747985c608b197b5d91e491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0a5133b8460df6c46da0e44051e2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f453c910006fa22cf491a094b1ce3f.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
7 . 若
,不等式
恒成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71b9fcfca2ad487760d608ff2b50365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34554f54002dcfaf898c9c6a6ac70880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,若对任意的
,总存在
,使得
恒成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce906dfcbbc89b5ea9acd63445b9c39b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204687ff0d957eece42db00f067f15a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983e07314433b8a027b766efeb2c9202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)若
,求
的值;
(2)若
对于
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7169cd68a61c5a56f5dfe9fac081a815.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a73db674d29eae8f8921eff5944983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02503ab4a8efca518db583ea39718441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187ee1ea3b7e47a6283314322e5decf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-12更新
|
549次组卷
|
2卷引用:广东省佛山市2022-2023学年高一上学期期末数学试题
名校
解题方法
10 . 若函数
在其定义域内存在实数
满足
,则称函数
为“局部奇函数”.知函数
是定义在
上的“局部奇函数”,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1db6c94b94afc372212a81cc1f4dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8548165fad441019b88887fbd2238580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-12更新
|
1198次组卷
|
5卷引用:广东省广州市华南师范大学附属中学等四所中学2023届高三上学期期末数学试题