1 . 已知幂函数
的图象过点
,幂函数
的图象过点
.
(1)求
,
的表达式;
(2)求当
为何值时:①
;②
;③
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b22e6d7aa9ea5a235c153367ba0142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a950a998c992f4cdf141bd6893261fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cd721ff3805a0d4230fdd3c3646239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bdb3d399de6ad3eb1f328a596b1a6c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(2)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac67e9a909472ab852d38d2ec66a1e1.png)
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解题方法
2 . 比较下列各题中两个数的大小:
(1)
与
;
(2)
与
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3276acfb968ac512a7a48ef7c6be4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35ade57b02a445c1373fac1e40e48f9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a69c487e93a197e88ea3efb27fd8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106cc4e3c540c540df0638da7e3cd49a.png)
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解题方法
3 . 若
,请比较两式的大小:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e8ad843444acb3c09f49c2ab657fa6.png)
________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e8ad843444acb3c09f49c2ab657fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf74043e2f3063e9b752e9628e8b4b0a.png)
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解题方法
4 . 若
,请比较两式大小:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e8ad843444acb3c09f49c2ab657fa6.png)
________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e8ad843444acb3c09f49c2ab657fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733dde092839710ce5431a4930f3b3bb.png)
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23-24高一上·上海·假期作业
解题方法
5 . 比较下列各题中两个数的大小
(1)
与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb718c533d16d6b4cdc9238037107b4.png)
(2)
与
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de74a0795ad89a853dbf5cafc426c7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb718c533d16d6b4cdc9238037107b4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf5ac9fcdde5e6ae5836794e751f552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c98a5e381f2578ed064728f89f4a3a.png)
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名校
解题方法
6 . 已知
,则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a712e89bc69b40ebb7478f57be5adb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-17更新
|
159次组卷
|
2卷引用:甘肃省定西市第一中学2022-2023学年高三上学期第一次月考数学(理科)试题
解题方法
7 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cad9d03434673ebf28dd13eec52e17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b94027dbcf95f0f082653b5af10e678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79a62e239eb2997997e079aef7ed37b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知
,
,
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41ac9969a24f1b67531c09751567e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce243be426caee3afd136c7c47f3e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e6c7b9e10c3914f5fc31ae477c074d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知
,且
,则下列不等式中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 若
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次