名校
1 . 已知函数
对一切实数
,都有
成立,且
,
.
(1)求
的值;
(2)求
的解析式;
(3)若关于x的方程
有三个不同的实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58dc7f34867efb468f6d3506b7602ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5275143b1335bf2ec2e575cc257f79fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2648d5b951809271006fd1db61062c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6181ea7339144345677568a7fd485f84.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4134547cfa372bb11da533ea1b9a0b51.png)
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2021-01-02更新
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5卷引用:上海市曹杨第二中学2020-2021学年高一上学期12月月考数学试题
名校
2 . 已知函数
是奇函数,且
,若对
,
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185004fb3c8e654487662eaf199fe0c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83998918252817c075189645a952cab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a024e70f58968a8a471610bce284264f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-05更新
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2卷引用:2019届湖南省长沙市雅礼中学高三下学期5月高考适应性考试理科数学试题
名校
解题方法
3 . 已知函数
,且
.
(1)求
的解析式;
(2)已知
的定义域为
.
(ⅰ)求
的定义域;
(ⅱ)若方程
有唯一实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b387fd7ffd8b00ba7ffc72438e9abec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1215d01764a3b041d2f4497806da95d.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d3a7a3a47355fe9b29a58f1574079f.png)
(ⅱ)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e255cb0217bed61e6ed29d5f139365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-02-14更新
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3卷引用:湖南省长沙市第一中学2020-2021学年高二上学期入学考试数学试题
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4 . 已知函数
(
为常数,
且
)的图象过点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbb04025ca45bd3e1a83f71fdbda593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d8b3614b11f1fa9b00c1731667a60b.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/f2ad6c1c58bd0374a0dc12cd95a1c15a.png)
(1)求实数的值;
(2)若函数,试判断函数
的奇偶性,并说明理由.
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2017-10-10更新
|
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7卷引用:2017届湖南衡阳八中高三10月月考数学(理)试卷
名校
解题方法
5 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72253d846d8750db2bf695df99c53f3e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c939cd652ae825a290cfa0d6e15b9ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c475ea57c21e7ab642592fa9cd2cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72253d846d8750db2bf695df99c53f3e.png)
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2017-09-22更新
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