设函数
(
,且
),判断是否存在大于1的实数
,使得对任意
,都有
,满足等式
,且满足该等式的常数
的取值唯一?若存在,求出所有
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84518e68c9e73dee93a8a3cafce4d26.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15259557151ab2588a840f814383d484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cdc0de98ecd552516094edf7579cde1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc92c708205af9ce418e2758036cc17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
20-21高一·上海·假期作业 查看更多[2]
更新时间:2021-03-11 20:37:49
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【知识点】 根据对数函数的值域求参数值或范围
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知
是偶函数.
(1)求m的值;
(2)若不等式
对任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e70d083e0bbc6986003bc2195e63fc7.png)
(1)求m的值;
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a63bcbcdd35627bf060645570dbd824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d93eb1f0a8d7949f4e4fbde21a59c9c.png)
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您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)若f(x)的定义域为R,求实数a的取值范围;
(2)若函数f(x)的值域为R,求实数a的取值范围;
(3)若函数f(x)在
内有意义,求实数a的取值范围;
(4)若函数f(x)的值域为
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cce884a1012bd358c076cbbad5747fa.png)
(1)若f(x)的定义域为R,求实数a的取值范围;
(2)若函数f(x)的值域为R,求实数a的取值范围;
(3)若函数f(x)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ca5e984d5e14b4be18a5ee99f80a4f.png)
(4)若函数f(x)的值域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68aeaab00b18ca6dbddfa93167c4d73d.png)
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解答题-问答题
|
适中
(0.65)
【推荐3】已知二次函数
的图象关于直线
对称,且关于
的方程
有两个相等的实数根.
(1)
的值域;
(2)若函数
且
在
上有最小值
,最大值
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3e005d401a532694b88cd1c2619fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa757c82f454fe33f592264a7e4d08c.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a748551b47b0da4bf90c591ed7ca6871.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d30aefb5d2d8cfc91ead9e5c63ea657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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