1 . 已知幂函数
在
上单调递减,若
在
上不单调,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd91c929e88daf7d1ea47eafb5ecacca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df6f46458db3ce20fa485c13f216853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.0 | C.1 | D.3 |
您最近一年使用:0次
2 . 已知函数
.
(1)若
是偶函数,求实数
的值;
(2)当
时,
,若关于
的方程
在区间
上恰有1个实数解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06eeb6ee6acf06beac15b9ba0d44cdba.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f7eb9e5d0d2dc6c8897f6c7863518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa0b6033aba3978ab687ce54d35f58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a13f3df2e1a444f41bc132431848eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 一般地,若函数
的定义域为
,值域为
,则称
为
的“
倍美好区间”,特别地,当
时,则称
为
的“完美区间”.则下列说法正确的是( )
![](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/f62e0a7ec931569bcc9c911f2c249d56.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/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.若![]() ![]() ![]() |
B.函数![]() ![]() |
C.函数![]() |
D.函数![]() |
您最近一年使用:0次
2024-01-27更新
|
196次组卷
|
3卷引用:贵州省六盘水市2023-2024学年高一上学期1月期末质量监测数学试题
贵州省六盘水市2023-2024学年高一上学期1月期末质量监测数学试题(已下线)福建省福州市部分学校教学联盟2023-2024学年高一上学期期末质量检测数学试题安徽省宿州市泗县第一中学2023-2024学年高一下学期开学适应性训练数学试题
解题方法
4 . 已知函数
.(e为无理数,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6efe559625bc3b69b084085fb8777b.png)
(1)若函数
为奇函数,求参数
的值;
(2)在(1)的条件下,求函数
在
上的最大值与最小值之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d56983f0fe19b400e8c15fdfdaf735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6efe559625bc3b69b084085fb8777b.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)在(1)的条件下,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
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5 . 已知全集
,集合
,集合
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3344b4b2541031b88aa04025bbcd82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500f2d5fbff755afe7b8e64d1f71cd5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e7b8a0677463b01fd0a39ce50461.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5f52e8d5cf759d2b7e7c4d56419a3e.png)
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6 . 已知函数
,若在区间
内任意两个实数
,
(
),都有
恒成立,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c0e7cfc20d220b71ff9b8b9cf61f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4280adea02588850b0a1af4844fcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9712c3b25f3030e166e136d3a4686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302734b812452983b0faf2145655e60e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 已知幂函数
恒过定点
,则函数
的解析式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f98703a94efdf092738b9b9cc431b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
8 . 生活中我们用水清洗蔬菜上残留的农药,用水越多,洗掉的农药也越多,但总还有少量的农药残留在蔬菜上.对于某一堆蔬菜,用
个单位量的水清洗一次后,蔬菜上残留的农药量与本次清洗前残留的农药量之比为
,且
.
(1)现要求清洗一次后蔬菜上残留的农药量不超过本次清洗前残留农药量的
,求至少要用多少个单位量的水清洗;
(2)现有
个单位量的水,可以清洗一次,也可以把水平均分成两份后清洗两次,为使清洗后残留的农药量更少,应选择哪种清洗方式?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fecc7fa9662921384ba13239eb28fa.png)
(1)现要求清洗一次后蔬菜上残留的农药量不超过本次清洗前残留农药量的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83504e351d7516f61a3052d7a31859.png)
(2)现有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
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9 .
年一位丹麦生物化学家提出溶液
值,亦称氢离子浓度指数、酸碱值,是溶液中氢离子活度的一种标度,其中
源自德语,意思是浓度,
代表氢离子.
的定义式为:
,
指的是溶液中氢离子活度.若溶液甲中氢离子活度为
,溶液乙中氢离子活度为
.则溶液甲的
值与溶液乙的
值的差约为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc13ec3d0f68eadea079885ef44781f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9def7c418e18985b64f4ebf22a9a206a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c4fd6998a8748375793cd1674f7417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9235e9a1fb3dbd0d73f929ab5f56e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e4f45521753e743522b992d42d3ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa15e05d09cac43887dcfaa2ba06873e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deda9a08ffc6604d5dbaa0c5549acbdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知函数
为对数函数,函数
的图象与函数
的图象关于
对称,设函数
,且对任意
都有
恒成立.
(1)求函数
的解析式;
(2)若函数
在
上的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e78f50ba34a711fe64198e358b62e0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd84da85388fcc2b7b74eed6790b9318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f48232ea888fd31e850879c444641f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d786ee0f73092274bce83c0670d5030a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a08521c64aae3d19fe3fe1da35708f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade31f6684e3033e377b90691ec2204d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次