1 . 已知函数
.
(1)探究
的单调性,并证明你的结论;
(2)求满足
的
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbd9e52b79fb84c320dc522e13d4f0b.png)
(1)探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1138243ac6e40334dd11d4b377c3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2 . 计算下列各式:
(1)若
,求
的值;
(2)
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec04f1e51e855eef13f57ccb8594d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757eb3f55cff1e6fef064db4efae9e28.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9ef821df33b7ab824462d84b1051d7.png)
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3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c12a8835f3ed3f5c7a060911946e0.png)
.
(1)若函数
的图象与直线
没有交点,求
的取值范围;
(2)设
,若函数
与
的图象有且只有一个公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c12a8835f3ed3f5c7a060911946e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6889205677dfb9a02934c36088b75d7f.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87490be8d0cdb7bc6c39d1a37f3bc335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93ed822df732ce783515fe5b3d324e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
4 . 已知函数
.
(1)求
的定义域;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824803494f3b0fda547f0184d76f6d34.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23456549604bc5034e6210c997a0cea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2019-12-26更新
|
190次组卷
|
2卷引用:贵州省遵义市南白中学2019-2020学年高一上学期期中数学试题
名校
5 . (1)计算:
;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2344fdff876fccffbb4d5cf1fc4446.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68d0c7834f382482c5f8ca5bcd252c7.png)
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6 . 已知
,
.
(1)求
和
;
(2)定义
且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd396f4f8179b2689c62d395b319b6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca375ca264aa21a0cdd5d04f2f498aa5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)定义
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a395870f77df4005141e9e4d72751fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb7c317f907cd7fda5ae49b24f2d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06430886275f5ad62bcda62fce691e99.png)
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名校
7 . 设函数
的定义域为
,集合
.
(1)若
,求集合
;
(2)若
,
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd19b4ca162dc06ed78f3da5b270ab1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df4830b9fc66005ca6658124af7f3ca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966317908e91368ee62abe7c864cd722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e1a1ad4b21eb1236832ff316ec4991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-12-08更新
|
182次组卷
|
2卷引用:贵州省凯里市第一中学2019-2020学年高一上学期期中数学试题
名校
8 . 某市居民自来水收费标准如下:每户每月用水量不超过4吨时,每吨为2元;当用水量超4吨时,超过部分每吨为3元.八月甲、乙两用户共交水费
元,已知甲、乙两用户月用水量分别为
吨、
吨.
(1)求
关于
的函数;
(2)若甲、乙两用户八月共交34元,分别求甲、乙两用户八月的用水量和水费.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52375105b3c5a2c8b6dcad63d0ec2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e1725516933bb441200c903bfa1ef3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若甲、乙两用户八月共交34元,分别求甲、乙两用户八月的用水量和水费.
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2019-12-08更新
|
110次组卷
|
2卷引用:贵州省凯里市第一中学2019-2020学年高一上学期期中数学试题
9 . 已知
为偶函数,且
时,
.
(1)判断函数
在
上的单调性,并证明;
(2)若
在
上的值域是
,求
的值;
(3)求
时函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41603b0595793de65aeaf73b90c27d91.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842c2ef9893cc67e621e272fa0be9926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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10 . 设全集为R,
,
,求
及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556a4ab00568ba4e3f40eaba501df36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0920e44bde11539e499b56b30be03005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9682ecfd0d8b9b413e2b5b4b1e7d5f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebea24d514ef3ef72d422e1af928f3bc.png)
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