1 . 不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067672b070f95a8bc66abc5b38cfd83c.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)若
,当
,
,求
的值域;
(2)判断函数
的奇偶性,并证明;
(3)设实数
,若不等式
对任意的
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e70b292661c57863cfac96e73b47a6f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13680c4c00ba1780911bfa92b717270a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9c607fe139845fac91b6f00c10b33f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540b1c1d264521bb5d94b24789101793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)设实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d191d6de821fbb06a51b5a20112db6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fedb1993789caff2b489aa511a56bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e96e9a314387fa1c76e86179ee0121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141db3e7187a57e67798d8844073d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知集合
,命题“
”为假命题.
(1)求实数
的取值集合
;
(2)在(1)的条件下,若“
”是“
”成立的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978bca02b3ad1dc689a85e8cd4d2caf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd09ed9dfb043738e5cbb54e33b789c3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
4 . 已知函数
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707dd66e0d6f8c33c6e05b4555f12c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c04e8f899f16999d2068364f1b81e71.png)
您最近一年使用:0次
2024-01-07更新
|
192次组卷
|
2卷引用:河南省新高中创新联盟TOP二十名校2023-2024学年高一上学期1月调研考试数学试题
2024高三·全国·专题练习
名校
解题方法
5 . 已知定义在
上函数
同时满足如下三个条件:
①对任意
都有
;
②当
时,
;
③
.
(1)计算
的值;
(2)证明
在
上为减函数;
(3)有集合
,
问:是否存在点
使
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ba4c1c25324a8875b09d0c855a82ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49f899086e636caaed2075a2c7b924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ed85d47b4f488a9b5e211938cc5424.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f82d7c68f10d3b6f065304ec67f160.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)有集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f334bd3fdd58a808bba8cacf336c63cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c4bac36d0869c1353b7d97f4f7d022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116b713cd1ae96520d05c54882463f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90526e1357becfdcd1b87caeff7ee032.png)
您最近一年使用:0次
解题方法
6 . 已知
,且
是
的必要不充分条件,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abaaec86fc571229f7e764b74690e87.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/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 若全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6343b1b692a2aa0be1676b6e558528e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33570b25b76c3086ad3f39c8152885ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929c3c8c22677458d2051492d56fc248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e7c9b30f8244a1c0055f22f2353011.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 若函数
对
恒成立,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc26d6abb6f14fd6f76ff86dc459e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
9 . (1)解不等式
;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e35f874f2c74d693c6bfbe8ec461990.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8495da9a91bf7bfa549ca3aa4b496f37.png)
您最近一年使用:0次
2024-06-04更新
|
700次组卷
|
2卷引用:天津市第三中学2023-2024学年高二下学期6月月考数学试题
10 . 已知对于实数
或
:关于
的方程
有实数根,则
是
成立的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e898f24ff04bcbe5eda50b19519a3428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d84f7aeeb1e9572ae4836a9e893491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415e1b0e7b9183faa90a912253a6970f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次