名校
1 . 已知幂函数
在
上为增函数,
,
.
(1)求
的值,并确定
的解析式;
(2)对于任意
,都存在
,使得
,
,若
,求实数
的值;
(3)若
对于一切
成成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a24c549c49f2c8eaee8a78700528c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf2c38635c5a0347c6744289c04df35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce09af83894fb037fd66f9460745dc4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4169c5f606352788872a03fe5476fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b935fd40b96177bca638917c578cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2700b067aa3bd61df94531d2f7a1ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca0ef5d1966e6274f3b82ce137b509e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
2 . 已知幂函数
的图象过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
______ ,
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799a427e4a0a124e062b76f354b6e799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5d54a4dd970d072920a1de49e01936.png)
您最近一年使用:0次
2022-02-13更新
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2182次组卷
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7卷引用:辽宁省辽阳市2021-2022学年高一上学期期末数学试题
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