1 . 已知函数
(
且
),点
在其图象上.
(1)若函数
有最小值,求实数
的取值范围;
(2)设函数
,若存在非零实数
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d76ee3b131ecd6aa1aacf7fb7b3eb15.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/1b65c821fdf71e17eedb21722a9165df.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0584ded985595c31af106e7183a8f8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000614bfb5918ccecde151aac799626f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d2f93c8be2625734adbebbc6364c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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名校
2 . 已知指数函数
,其中
,且
.
(1)求实数a的值;
(2)已知函数
与函数
关于点
中心对称,且方程
有两个不等的实根
.
①若
,求
的取值范围;
②若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f92379843eec162747048a24dd1b774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求实数a的值;
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb3751af829ba6ad31bfed6f0e6d920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9587df831df1af5e7dd6be5fdc7bd8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636a8d9e362e768e825a98afdea2bd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e77d6f15137ae5d98b0d546672b6f68.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06d506162c07c88cc58ce804540c587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-11-29更新
|
838次组卷
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2卷引用:重庆市南开中学校2022-2023学年高一上学期期中数学试题
名校
3 . 已知点列
均在函数
图像上,点列
满足
,若数列
中任意连续三项能构成三角形的三边,则
的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d0b3abb42b47bbb3879e1b9555825a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d018d0b5d1970404a82d6dc0d5e1771c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137a5c7fceb9cc04a1572d74be5df001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69da45a8578cded4197cb3f3121718fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-01-30更新
|
571次组卷
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5卷引用:2016届上海市虹口区高三4月高考练习(二模)(理)数学试题