已知函数
的两个零点都在
内,则实数
的取值范围为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cdde95b3e2e542fa6c420e94d50664b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8970b1b85d3cad266a82d8fa99069e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高一上·安徽淮北·期末 查看更多[6]
安徽省淮北市第一中学2022-2023学年高一上学期期末数学试题(已下线)考点巩固卷06 函数的图象与方程(十大考点)(已下线)模块一 专题2 函数的应用(人教A)1(已下线)第四章 指数函数与对数函数-【满分全攻略】同步讲义全优学案(已下线)第03讲 4.5.1函数的零点与方程的解+4.5.2用二分法求方程的近似解—【练透核心考点】(已下线)专题05 指数函数与函数的应用1-期末复习重难培优与单元检测(人教A版2019)
更新时间:2023-01-11 21:16:00
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83fa97fe23bceda2af56c71f39cf64d.png)
存在两个极值点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
,给出下列四个结论:
①函数
有零点;
②a的取值范围是
;
③
;
④
.
其中所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83fa97fe23bceda2af56c71f39cf64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3442ce843d02b54055cfad056b091d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b5f32c09caa0be0d4c33be07aa4530.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②a的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b02d210e1e781c1721ebafc0e2bc013.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311cff32b515f4fa954a3a5731cbb52c.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b202dcf62af3123644c61d130248b6d1.png)
其中所有正确结论的序号是
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【推荐2】已知函数
在
上单调递增,且对于任意的实数x都有
成立,若
的零点所在的区间是
,则整数n的值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a0230c7f83a77b0ada06797843063f.png)
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【推荐1】定义在
上的函数
满足:
①当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e507f21adf59a8a81151d58aa3cfea.png)
②
.
(1)若
有唯一解,则实数
的取值范围为___________ ;
(2)若函数
的零点从小到大依次记为
,
,
,
,
,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d50841ecc356aa8bf123a0484068766.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea438617b79dcfca03dacdf20929046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e507f21adf59a8a81151d58aa3cfea.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b762ca4a3a079282f7c2cdfc5d39f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2515b5025418c7de62149571500a4bf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b36efac8085941d00a4661b6edbe15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5d619c93c1e53c0d27f08d4a2536d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d50841ecc356aa8bf123a0484068766.png)
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【推荐2】将函数
的图象向左平移
个单位得到
的图象,且当
时,关于
的方程
有三个不等实根,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bd33a53c8d688cd490f729b9c724b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf9c2a14f31481ee2c32e0434157a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da08153e5a2dae1fc0ced126b6ec5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8abcb45e6a97beeadeedd3fee6c21.png)
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名校
【推荐1】若函数
的图象与
轴有且只有一个交点,则满足条件的实数
组成的集合为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58bf9cbd369b43f0943e91e8de8133f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】已知
是定义在区间
的函数,则函数
的零点是___________ ;若方程
有四个不相等的实数根
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade331851befdd556917c4a9de446a38.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ff70784f093467fc048162b5eeda2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08072409f95d484e8d9b382a2263cd9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade331851befdd556917c4a9de446a38.png)
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【推荐1】已知函数
,若
,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f17ae243d9bd51b94cb2102783c319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076ca1a35427d4fcf1d8ce030c566c06.png)
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【推荐2】要使
有意义,
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bef847cbbcb0d26aa38dbd62124732e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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