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1 . 已知集合
,
.
(1)求集合
和集合
;
(2)若“
”是“
”的必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f38816401b3bc2c339d8d76694afa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a4f971323f0fe62ce6ae30747960c5.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb8c4797efa782ba6d1744e30c9c6eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-08-03更新
|
486次组卷
|
4卷引用:重庆市西南大学附中2019-2020学年高二下学期期末数学试题
名校
解题方法
2 . 已知函数
.
(1)求函数
的定义域;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9b3d9ded21b365b55830a21e0322b0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e20ac14187010401f9e26f1acfe7449.png)
您最近一年使用:0次
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3 . 已知函数
的定义域为
,
的值域为
.
(1)求
;
(2)若
,
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d09d46bfe1c98c04a1fc8b33c259f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec78b8b1e09c798b46feaa48c03b9934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4981d8963afc7b6b60f3876d9ebe3c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
4 . 已知非空 集合
,函数
的定义域为
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320be3c12577c042ca2ac6c1e45a022b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15b990dc2c5a0df5f82f6e8fbbe9e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afac794aa37b60a66c030b7f4c85bcf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-02-26更新
|
170次组卷
|
3卷引用:重庆市礼嘉中学2020-2021学年高一上学期12月月考数学试题
名校
5 . 对数函数
(
且
)和指数函数
(
且
)互为反函数.已知函数
,其反函数为
.
(1)若函数
定义域为
,求实数
的取值范围.
(2)若
为定义在
上的奇函数,且
时,
.求
的解析式.
(3)定义在
上的函数
,如果满足:对任意的
,存在常数
,都有
成立,则称函数
是
上的有界函数,其中
为函数
的上界.若函数
,当
时,探究函数
在
上是否存在上界
,若存在求出
的取值范围,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84518e68c9e73dee93a8a3cafce4d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d76ee3b131ecd6aa1aacf7fb7b3eb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246de316aacce5e2a1b482840ff02f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925c788c10bb1694aff18e1cdb998713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15341a333e7a119d1a96fd0949882b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
(3)定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bb6324279df94decba955e04ccfa9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c4c6cfc4b6d863bbded8d1a1a8de7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1224a557188a0141c20df6749ace6c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9415ab7474c0b9e1227feeea97fee3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
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解题方法
6 . 已知函数
其中
.
(1)求函数
的定义域;
(2)判断
的奇偶性,并说明理由;
(3)求使
成立的
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b140fe0add93726e7a8f72f1dd3171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9445ea3662dcd157c41898debc5a4784.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138472ac217ce3f838b18ce39b39b869.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138472ac217ce3f838b18ce39b39b869.png)
(3)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b017de7aec0711fef053f1a0197a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7 . 集合
,集合
.
(1)分别求A和B,并求出
;
(2)集合
,若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e572b1b2bbb7ed6276608534ba6d1eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f577b40dd6e271a361c2f3473ff50e0.png)
(1)分别求A和B,并求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfeecfb711d5512b6fe7eb5b396a96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83cec6b09de06aa631aaef54749d15f.png)
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8 . 设函数
.
(1)求出函数的定义域;
(2)若当
时,
在
上恒正,求出
的取值范围;
(3)若函数
在
上单调递增,求出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d803777184cf8fbf3a939cd4c7eb7d9d.png)
(1)求出函数的定义域;
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def69169bdaed7b6561372cc26396d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7b2668d8fcf713370822c8e368ba7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-01-31更新
|
1418次组卷
|
4卷引用:重庆市礼嘉中学2020-2021学年高一上学期11月月考数学试题
重庆市礼嘉中学2020-2021学年高一上学期11月月考数学试题上海市松江二中2017-2018学年高一上学期12月月考数学试题(已下线)考点10 对数函数(练习)-2021年高考数学复习一轮复习笔记安徽省江淮名校2020-2021学年高一下学期开学联考数学试题
名校
9 . 设函数
,其中
为常数.
(1)当
时,求
的定义域;
(2)若对任意
,关于
的不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab500df5f5157babfaa59504072b0a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f028e597d34316db2c4c993fc72ff32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-01-16更新
|
1314次组卷
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6卷引用:重庆市七校(渝北中学、求精中学)2019-2020学年高一上学期期末联考数学试题
重庆市七校(渝北中学、求精中学)2019-2020学年高一上学期期末联考数学试题重庆市江北区2019-2020学年高一上学期期末数学试题2019-2020学年高一上学期期末复习1月第02期(考点04-05)-《新题速递·数学》江苏省无锡市第一中学2021-2022学年高一艺术班上学期期末数学试题江苏省镇江市2023-2024学年高三上学期期中考试数学试卷(已下线)【第二课】4.4.1对数函数的概念+4.4.2对数函数的图象和性质 上好三课,做好三套题,高中数学素养晋级之路
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10 . 已知函数f(x)=log4(4x-1).
(1)求函数f(x)的定义域;
(2)求函数f(x)的单调区间并加以证明;
(1)求函数f(x)的定义域;
(2)求函数f(x)的单调区间并加以证明;
您最近一年使用:0次
2019-12-19更新
|
137次组卷
|
2卷引用:重庆市第二十九中学校2020-2021学年高一上学期12月月考数学试题