已知命题p:
;q:
,使![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782f4eb5d061b9c7af570d5ec4fe8ac7.png)
(1)若命题p是假命题,求实数
的取值范围;
(2)若命题p是假命题,命题q是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4381caea7a65fcbe72053c9c68ea3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be48d1c188ca17fe713f08ed3eca9f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782f4eb5d061b9c7af570d5ec4fe8ac7.png)
(1)若命题p是假命题,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题p是假命题,命题q是真命题,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-02-15 05:11:02
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】设命题
,不等式
恒成立;命题
,使得不等式
成立.
(1)若p为真命题,求实数m的取值范围;
(2)若命题
有且只有一个是真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9d8faa829a3315f2fb83510a277aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325bb368de012fac49eaa50932c289f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b59677f0e723573b21ec21792232468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ecfade60615befc6e6dcc0f860ad20.png)
(1)若p为真命题,求实数m的取值范围;
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知命题
,命题
.
(1)若命题
为真命题,求实数
的取值范围;
(2)若命题
和
均为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14626266ca26d002da5800412ccda84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1e1bf467203dd8fa16b1f39d016549.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7cd0299f2b7ce18b32f69018b413fc6.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05cc4f51adf857a4b1f982222535a5ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7cd0299f2b7ce18b32f69018b413fc6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】命题
:
,使得
;命题
:
,函数
至少与
轴有一个交点.
(1)若
为真命题,求
的取值范围;
(2)若
,
有且只有一个真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6392453d0f437d55ee986a5f898e8b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6453d0a9dcfb648349fd4c834e54e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知集合
,
.
(1)若
是
的充分不必要条件,求实数
的取值范围;
(2)设命题
,若命题
为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea45f50caa9b68052252788e52c63263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a7d22d1b6488040784fe89f74f21c7.png)
(1)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/0a6936d370d6a238a608ca56f87198de.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dbd914e067c3517a90040e61ad07f26.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
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知关于
的不等式
.
(1)若不等式的解集是
或
,求
的值;
(2)若不等式的解集是
,求
的取值范围;
(3)若不等式的解集为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb05ac5a5b5a8aaae82101b67e6c89b.png)
(1)若不等式的解集是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32b03bf99432a4e436d31fdd636d424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eadce80640b6ddb25e64794544c87f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若不等式的解集是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若不等式的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知
,
.
(1)若
,解不等式
;
(2)若不等式
对一切实数
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667907a4eee559db0c7b0d1d4b6b9919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d5192973bcad664494cb6936f1c15f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐3】(1)已知集合
,求实数
的取值范围;
(2)在
上定义运算“
”:
,若存在
,使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe1aac30bebf3d96648a9171b52ad71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7d51315fcca519cb58bacd0040d7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02048c3b1e13de7991e4a8db3e71973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69acebdcbf2c7716a0f42d04fef3a5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】函数
在区间
上有
值为4,求实数
的值.两个方框处为无法辨认的两个汉字,请你结合上下文把这两个字补上并解答该题.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827505521b2706a99756fbce8d425bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5c4c4e50a0a67ce5fa0e422d2eb4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8785e2a65c00120bdf33d8da97080f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2be74e1d0ebd66f30d8df69b5a5d4e.png)
(1)当
时,求
在
上的最值;
(2)若函数
在
上的最大值为1,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2be74e1d0ebd66f30d8df69b5a5d4e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e41820cc2a52c0989c9dd2d968d7360.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e41820cc2a52c0989c9dd2d968d7360.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】解答下列各题.
(1)若正数a,b满足
,求
的最小值.
(2)若
,且函数
的值域为
,求
的最小值.
(1)若正数a,b满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba09043091777b9a9a7c6cf2680f82b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c854dea51928edafc6438c34d91f3c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e309c452e4e56ba500b64fa57a1ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3cd3b0811ae534bd0991a2c44ce4ff.png)
您最近一年使用:0次