已知函数
.
(1)若函数
为偶函数,求实数
的值;
(2)若函数
在区间
上具有单调性,求实数
的取值范围;
(3)若函数
在区间
上不具有单调性,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d5b91b3f994af89b644c6948cda378.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85564659d145e38c0887d186db1c8573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b85da66243efd91e7c606c42f17da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2022-02-13 15:23:57
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】设函数
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(1)若
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(2)在(1)的条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bde2e500fd5386e355db9040a1946d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6b28c29a9e823cf1d6c764323d7e15.png)
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【推荐3】已知定义在R上的函数
同时满足下面两个条件:
①对任意
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②当
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(1)求
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(2)判断
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(3)已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0576d51e84ecafa085161203ec8b21f9.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9908550681ac5694853afa2c340e4ee2.png)
(1)求
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(2)判断
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(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c00ef074dec4b10ae00ba009a3d854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7454f5d5ef305645d3a8f36ff59ba4a4.png)
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解题方法
【推荐1】已知______,且函数
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①函数
在定义域
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②函数
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在①,②两个条件中,选择一个条件,将上面的题目补充完整,求出a,b的值,并解答本题.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494ca37214184b7f655c7810851d3b72.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152043781d916de477d7611cb683a67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991187d3d71a019baa6cb5799bb9a0f4.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c939cd652ae825a290cfa0d6e15b9ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
在①,②两个条件中,选择一个条件,将上面的题目补充完整,求出a,b的值,并解答本题.
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(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8336841b5bc3cb4913835080b9d85933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8f08fa7920ab3d6b3ec6c831a43fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204e6006eacca1a448fe6991f3c121f9.png)
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【推荐2】已知定义域为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16577994331b6ac9346fb7c00f02d22f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e3dd65b01123fe78aa0b8e379b3e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解答题-证明题
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适中
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解题方法
【推荐3】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd11a2bb861f83e919a53972dc7a7c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e524516773418ee60e09b43609ac6a.png)
您最近一年使用:0次