1 . 已知函数
且
过定点
,且点
在函数
的图象上.
(1)求函数
的解析式;
(2)若定义在
上的函数
恰有一个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbc41ba647a7774b168ca21ed05ee9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03373ea8b1ba832b962fca109769ec4f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5f4dd21b7cb605a33c565b40fb9898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 已知函数
过定点
,且点
在函数
的图象上,
.
(1)求函数
的解析式;
(2)若定义在区间
上的函数
有零点,求整数
的值;
(3)设
,若对于任意
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a89866668be31d07d30d9b01b47631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80078871579da029b5f3346c7ec3eae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3df08fec87e8a491ed286b5983a34.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若定义在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5437a2925fa6c15f7364a752a7d97d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6599ea826ebaf29f570826aa719029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e20f616f4cc123543d67d6d2d0ca08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知函数
且
经过定点
,函数
且
的图象经过点
.
(1)求函数
的定义域与值域;
(2)若函数
在
上有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526eabf9aeaa2bb2600bc2f8f31f5e97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1ebc40126e8670e98e25c50f042511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1299dfcaf4caad9b362dfc73a9f7efa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c143a9e1f5c3b716cb4848c297c37708.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92eae0d9e0e0d63c9cc616377b2bf301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed8a14bf0b65e82e33c1510c643816e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2022-04-13更新
|
1340次组卷
|
4卷引用:湖北省金太阳百校联考2021-2022学年高三上学期10月月考数学试题
湖北省金太阳百校联考2021-2022学年高三上学期10月月考数学试题(已下线)专题4.3 函数的零点和方程的解-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)(已下线)专题4.11 指数函数、对数函数的综合应用大题专项训练(30道)-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)河南省信阳市浉河区信阳高级中学2022-2023学年高一下学期4月月考数学试题
名校
解题方法
4 . 已知函数
的图象经过点
,其中
且
.
(1)求
的值;
(2)求
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5172188d73bcbb2fb84d4843b09b714e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09872be2fce54e922259bde2c540bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ed0edaebe95e5347b44806e166d0e1.png)
您最近一年使用:0次
名校
5 . 函数
所经过的定点为
,圆
的方程为
,直线
被圆
所截得的弦长为
.
(1)求
以及
的值;
(2)设点
,探究在直线
上是否存在一点
(异于点
),使得对于圆
上任意一点
到
两点的距离之比
(
为常数).若存在,请求出点
坐标以及常数
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb91e9a760b549871a35a39be82f5d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73b4ae3f781a5d271099ad7ac7c7c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b043bcc1d02c06fbec956284f7d2e5e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c08e307f6585d0f390a831fc0a2dc94.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3877ff7fd670b0bae2b467142c2f25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9a5cab261ecbecdc55a26813a60327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c1c336cf4c00210b40827437968871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe56ede6bebd29d359e4f20af7fcaba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4536aed8d6c48c7da96c9f867e0acc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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