1 . 已知
为幂函数.
(1)求函数
的值域;
(2)若关于
的不等式
在
上有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58890952d58cd87b365ceff193dade3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520566e072e2ad8fcd0c5c6f40abb8a2.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb96ffd5a5aed92527b8423db2c7743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df0b761384ac3368b238f87b500d76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
2 . 已知幂函数
过点
,令
,
,记数列
的前n项和为
,则
时,求n.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e7d192c1c988462b773b36fe0bc169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc33497c7c3b9c7c2126f46ca726995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89df2968be3d4933b0e74bc154aaa753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b01041691ad489f126f05c18ea8f0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634f439d13a208bbefdd8982c29655dc.png)
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3 . 已知幂函数
的图象与坐标轴无交点.
(1)求
的解析式;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdba6855f7af6a4fe8a9fc94b35b1d7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870abc03063ff4f5122b3092259353df.png)
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4 . 已知函数
为幂函数,且在
上单调递减.
(1)求实数
的值;
(2)若函数
,判断函数
在
上的单调性,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d849a58d993777416884aa3f334062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e577ed75ddb9f6877cedbf249d478c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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5 . 已知幂函数
在
上单调递减.
(1)求函数
的解析式;
(2)若
,求x的取值范围;
(3)若对任意
,都存在
,使得
成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bfa6c3b65800165042fabbb3fbbcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674b263d7816a4ff791faea15001ecab.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f039953f09677969db031e357ec8a208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0aa4c82e92448eba57943d2233fa32.png)
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6 . 已知幂函数
的图象过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310ea35ee032476e1170dcf1533cf34c.png)
(1)解不等式:
;
(2)设
,若存在实数
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a4f3288ec83678a6b570950f78e903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310ea35ee032476e1170dcf1533cf34c.png)
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3921dfbe3215592e14e2e512cb26e4.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4982df4818cff79334a3d6d7f9fb09c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981db5e1425f4510580273488f6e1fd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d7f723520ed0722a8a0f56c4b60dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知幂函数
的图象过点
.
(1)求实数m的值;
(2)设函数
,用单调性的定义证明:
在
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f569b808afe234c32b84358c7279027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1b597e27f847c60634025b38fca66d.png)
(1)求实数m的值;
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf62f4b1e2094352ae6c922c8f68e76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
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2024-01-31更新
|
195次组卷
|
3卷引用:安徽省阜阳市2023-2024学年高一上学期期末联考数学试卷
解题方法
8 . 已知函数
满足
,且
的图象经过点
.
(1)求
的解析式;
(2)求函数
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16781a5dfb5ba0b11bd761cf15b47a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3552c3db12538cbcabfa4a08e6c5303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be381da62d4a042476aa11dbd5824e8d.png)
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2024-01-24更新
|
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|
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解题方法
9 . 已知幂函数
,且函数在
上单增
(1)函数
的解析式;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a5c9a1a590ea31fc6e18408bfbeba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca73cdb0f601fe57d2c00a4894c459bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-16更新
|
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2卷引用:山东省济南市山东省实验中学2023-2024学年高一上学期期中考试数学试题
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10 . 已知幂函数
在
上为严格减函数.
(1)求实数
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8611cb11413076a8733a4e4337e23497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6499fcbb1e9c11db4db20d7995cc79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-13更新
|
981次组卷
|
3卷引用:上海市晋元高级中学2023-2024学年高一上学期期中数学试题
上海市晋元高级中学2023-2024学年高一上学期期中数学试题(已下线)专题10幂函数 -【倍速学习法】(沪教版2020必修第一册)内蒙古自治区鄂尔多斯市达拉特旗第一中学2023-2024学年高一下学期第一次学情诊断(4月月考)数学试题