解题方法
1 . 命题
已知幂函数
在
上单调递增,且函数
在
上单调递增时,实数a的范围为集合A﹔命题
关于x的不等式
的解集为B.
(1)若命题P为真命题,求集合A;
(2)在(1)的条件下,若
是
的充分不必要条件.求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fe5a5423ce135a39396860eff57b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a694398612eb642d58da09529a41fdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b6bec0e5c57dc0c97d2581012d2c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a42b1d739ba1b2eea55106935f70e3.png)
(1)若命题P为真命题,求集合A;
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2022-11-25更新
|
171次组卷
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2卷引用:山东省济宁市微山县第二中学2022-2023学年高三上学期期中数学试题
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解题方法
2 . 已知命题“
,使
”是假命题,其实数
的取值为集合A,设不等式
的解集为集合B,若
是
的充分不必要条件,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387816ed918570c58d442132e4ebe381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1002c5eeb292444c32850512d34bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b99e0ace222ac859fff9f43f13bf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2022-10-27更新
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197次组卷
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4卷引用:河南省顶级名校2023届高三一轮复习10月月考理科数学试题
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3 .
的取值所在的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9476e4277c97ec987acd0488eaf687a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知服从正态分布
的随机变量在区间
,
和
内取值的概率分别为68.3%,95.4%和99.7%.某校为高一年级1000名新生每人定制一套校服,经统计,学生的身高(单位:cm)服从正态分布
,则适合身高在155~175cm范围内的校服大约要定制( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bcc248a7770a16fa10fc4602d71e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c675421352a8e2eb4fff2a0648fe00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96af49ebd3f04ab8da77384c4473e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6160e680fa4d92a11568ef45bea128fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d5754f946f5b1edc5ffad73ccbcfd0.png)
A.683套 | B.954套 | C.972套 | D.997套 |
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5 . 已知
,
(
且
),函数
.
(1)求函数
的单调区间;
(2)若函数
的图像在点
处的切线的斜率为1,问:
在什么范围取值时,对于任意的
,函数
在区间
上总存在极值?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba45b4ef489b25cdcabebf818897df3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b6851591b23f754a5704f6089d310b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26c2087e3a2711f42846403839c200e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af2f597ea3f4dcfb89acb19a4ea6355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d4f43bcb6c64f0c5e15c9f36f1a26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a2eafb3dd274dd9b98d83c38e87802.png)
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11-12高三上·黑龙江·期中
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5268d35056cfd7ce7463d7008588d7.png)
(1)当
时,求函数
的单调区间;
(2)若函数
的图像在点
处的切线的倾斜角为
,问:
在什么范围取值时,函数
在区间
上总存在极值?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5268d35056cfd7ce7463d7008588d7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15863d9a276e5b75a29dec3da0e98cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5855bdff26da62ff3d8ed991d3eeb72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
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9-10高三下·北京东城·期中
7 . (
已知椭圆
,以原点为圆心,椭圆的短半轴为半径的圆与直线
相切.
(1)求椭圆C的方程;
(2)设
轴对称的任意两个不同的点,连结
交椭圆![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/4415d940d8904a9689cda1d42e7522a6.png)
于另一点
,证明:直线
与x轴相交于定点
;
(3)在(2)的条件下,过点
的直线与椭圆
交于
、
两点,求
的取值
范围.
已知椭圆
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/d317303a9cba459a8167a1bae5ebcd04.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/e66f218312e34cc9afd1768e36ef0ae1.png)
(1)求椭圆C的方程;
(2)设
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/54b2eef1aeff4bc685e7c0cc2d4fafa4.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/ff50b06d875243aa9c5fec5e4b82948c.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/4415d940d8904a9689cda1d42e7522a6.png)
于另一点
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/caf7547391e64ab4ba1a6b0f1d170ed3.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/a906fb03e42b4188abba78dc1072ff0d.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/eea432741420472ebfb45fae7d8c381d.png)
(3)在(2)的条件下,过点
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/eea432741420472ebfb45fae7d8c381d.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/4415d940d8904a9689cda1d42e7522a6.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/dfc1063fb8cd470a9d120b2c915ec9c7.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/b2d5c16639af4707b7212c764bd13816.png)
![](https://img.xkw.com/dksih/QBM/2011/3/8/1570028693577728/1570028699033600/STEM/ffebbda395f049cfb4fe73a8d4323ad6.png)
范围.
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解题方法
8 . 设函数
在区间
上的值域是
,则
的取值的范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56785f54453abeb59d7cbd09bfb4ec7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e38b2d35d4f4e4a93a6326897f72f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
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2016-12-04更新
|
676次组卷
|
6卷引用:2017届江西上高县二中高三上学期开学考试数学(文)试卷
2017届江西上高县二中高三上学期开学考试数学(文)试卷【全国百强校】江西省宜春市上高县第二中学2019届高三上学期第一次月考数学(文)试题.重庆市南开中学2019届高三上学期第一次月考数学(文)试题(已下线)《2018-2019学年同步单元双基双测AB卷》必修一 专题三 函数的基本性质 A卷广东省普宁市第二中学2021-2022学年高一上学期第二次月考数学试题(已下线)【导学案】《第三章 函数概念与性质》本章小结-2021-2022学年高一数学《新教材同步精典导学案》(人教A版2019必修第一册)
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9 . 若关于x的方程
的实数解集为
,则实数a的可能取值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e02f4f99b13e75b32466b6c592a9e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
A.![]() | B.1 | C.0 | D.2 |
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10 . 已知实数a为常数,且
,
,函数
.甲同学:
的解集为
;乙同学:
的解集为
;丙同学:
的极值为负数.在这三个同学中,只有一个同学的论述是错误的,则a的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd594e99f82b7736c44e18b2721e607f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abfa7f173dc46ec1c5f054547333563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d8d3a028094e677b6a48855a93d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d8d3a028094e677b6a48855a93d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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