名校
1 . 若函数
在
上为减函数,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80e8971723bfe156b9053f5ce248f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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2 . 已知函数
(
,常数
).
(1)当
时,求不等式
的解集;
(2)根据
的不同取值,判断函数
的奇偶性,并说明理由;
(3)若函数
在
上单调递减,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14a2156c6690b324f7929b3b3553970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e451f18c97bc90b2216351fd73bf00af.png)
(2)根据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-12-02更新
|
243次组卷
|
2卷引用:上海市进才中学2019-2020学年高一上学期期中数学试题
名校
3 . 已知函数
,且
,
,
,则
的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6748b289fb5d9e766a7998210ba5b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a38efe32b0f0306f1dd1158ac2bd6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c183092d509616ee0d8c4cfd3d4834b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fbfd671b645c15fbb3d6bf019091eb.png)
A.恒为正 | B.恒为负 | C.恒为0 | D.无法确定 |
您最近一年使用:0次
2019-12-02更新
|
263次组卷
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2卷引用:上海市上海交通大学附属中学2017-2018学年高一上学期12月月考数学试题
4 . 函数
在
上是增函数,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25952754f8265455e9382ce1116cc779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
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5 . 已知函数
,
,
,对任意
都有
,且
是增函数,则用列举法表示函数
的值域是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f86b5229962cfb075d4068555afd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145196cd7cfa39ebc7504e95450eee69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39d9adf3022243ea2290e010a493d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8296abd12e85b7eccd1090e8852c93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2019-11-09更新
|
336次组卷
|
4卷引用:上海市嘉定区第一中学2021-2022学年高一上学期12月月考数学试题