已知函数
,函数
.
(1)若函数
有唯一零点,求
;
(2)若
,不等式
在
上恒成立,求
的取值范围;
(3)已知
,若函数
在区间
内有且只有一个零点,试确定实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf67bb02ba0f202b6c2f4261b69043e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3adf7ad2578801c76836c898d25becf6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa3a352cc73220f07e5b7e9fc72ded1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0097b2a40fd339906bb03607246d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0835aeffd529ecec100c50304f9179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高二上·湖北·阶段练习 查看更多[3]
湖北省云学新高考联盟学校2022-2023学年高二上学期9月月考数学试题黑龙江省绥化市第二中学2022-2023学年高三上学期第一次月考数学试题(已下线)第五章 函数应用(B卷·能力提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(北师大版2019必修第一册)
更新时间:2022-09-23 05:18:35
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解答题-问答题
|
适中
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【推荐1】已知函数
的图象如图所示.
(1)求函数
的解析式;
(2)若函数
的图象在区间
上恰好含10个零点,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2322328e1cbed9c7f33174e4fdbb846.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/10/6162d487-fd9c-406a-80f7-1fdf0454ff2a.png?resizew=179)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11240640f484ed157f607726cfe5dcb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34340ef0d177a645a631405eaa3592e8.png)
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名校
【推荐2】已知函数
.
(1)当
时,解不等式
;
(2)若关于
的方程
在区间
上恰有一个实数解,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab5c53352f3eafd25b5dbf4ee5bbbd6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f198f304b60422fb5065dcc742ab48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-证明题
|
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解题方法
【推荐1】已知函数
,
.
(1)指出
单调性与
的奇偶性,并用定义证明
的奇偶性.
(2)是否存在实数
使不等式
对
恒成立,若存在求出
的范围,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24e7a6926a39f7be015218876573b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf3c1d2fb3a98e7da023721dab6f70a.png)
(1)指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2239ad0a7d652c9eb0b7ca5d09e56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c996a7815201e6dfeb42eaa1360ab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】定义域为
的函数
满足:对任意的
有
,且当
时,有
.
(1)求
的值;
(2)证明:
在
上恒成立;
(3)证明:
在
上是增函数﹔
(4)若
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a83b4093280ea8750677f6828bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999e0a0733349502f388fd8326465d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812561dca509f9aa67b902e514922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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