名校
1 . 已知
:实数
满足
:实数
满足
.
(1)若
,且
和
至少有一个为真命题,求实数
的取值范围;
(2)若
,且
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4684142fc2260b8f4fb066c6789b5734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18afc1883df2687c2f31f8f9f9c79914.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-29更新
|
211次组卷
|
3卷引用:湖北省武汉市第十一中学2023-2024学年高二下学期6月考数学试题
名校
解题方法
2 . 下列说法不正确的是( )
①命题“
,
”的否定是“
,
”;
②“
”是“函数
为奇函数”的充分不必要条件;
③命题
,
,命题
,
,则
为真命题;
④“函数
在
上是减函数”,为真命题.
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05611fbe265ef9e3d4a8b1821bcbc1eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9625e85854c1c1ceba285d286b445ac.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b172af7906d9a05f92f7e309592d84a.png)
③命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d805d8e66d7fcd40578fcf8a604c1d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e8f9a9b9a90e954c535e0d1847891c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d3367f5f69f16cefa7efd98bfb4b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264dab145ceba44696a6ee63b1e1549d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
④“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ea5e8fdf104e1cc8348c13a3cd1610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb4279cb37b97c14310808971acea31.png)
A.①②③ | B.②③④ | C.①③④ | D.①②④ |
您最近一年使用:0次
2023-12-23更新
|
257次组卷
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4卷引用:宁夏银川市宁夏育才中学2023-2024学年高三上学期月考五数学(理科)试卷
名校
解题方法
3 . 已知命题
:若
,则
;命题
,不等式
恒成立,则下列命题是真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfca3d66ca2f5786e5e5aa7f4ea73aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1548307c00faf3aa0c61cef34ddf4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7d3b5eddf48f8574faf927e8382969.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-20更新
|
318次组卷
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4卷引用:四川省绵阳市三台中学校2024届高三下学期第二学月测试文科数学试题
名校
4 . 已知
:存在
,
,
:任意
,
.
(1)若
为假命题,求实数
的取值范围;
(2)若
为真,
为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce7ac38bfa4b72d546e26075168c565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f754145f648450f9e14cec4b17140a5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-05-16更新
|
733次组卷
|
4卷引用:四川省广安友谊中学2024届高三上学期9月月考数学(理)试题
四川省广安友谊中学2024届高三上学期9月月考数学(理)试题宁夏吴忠市盐池中学2024届高三第一次月考试数学(理)试题四川省乐山市峨眉第二中学校2022-2023学年高二下学期期中数学文科试题(已下线)1.5 全称量词与存在量词(AB分层训练)-【冲刺满分】
名校
5 . 已知命题p:函数
在
上单调递减;命题
,都有
.若
为真命题,
为假,则实数a的取值范围为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511abc87c317e991525187595e43ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5c81af39817c57583a0d1c1bebd36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f653afe9922371adc45ecc3ccebd18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-07-15更新
|
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7卷引用:四川省绵阳南山中学2024届高三上学期10月月考试题 数学(理)试题