1 . 若函数
是幂函数,且满足
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e8c308a421fca8d5931132246515d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32a859898e9905e0524d3a982eb34b6.png)
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2 . (1)
;
(2)已知
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d432e7dbac0a77b761b32b4880e5a0dd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f401373b5a835e640a06ef1e70f2db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872be4645b9ccafc2744f8c822d17005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d125bccd8d0bdf7e7358c158514ac45.png)
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解题方法
3 . 设集合
,
,
或
,全集
.
(1)若
,求实数a的取值范围;
(2)若
,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7a99215ea3ed54dd9e744b97b958b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c8a7a9b1cf8f89350de6efc6af1b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d44c03ea4f0345824bd9480f0ff554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280753eceb48f6345b13c9340721adc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6343b1b692a2aa0be1676b6e558528e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8422cbac638912ab713ca7e2ed9b934.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a8fb0ac1f1b35312bc58e5c39dc08e.png)
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4 . 已知集合
满足
,这样的集合
有( )个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a2cf3faa077c4eddd2bbbe9a0c61f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b07a67307d5d4627efa688b30e5573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.6 | B.7 | C.8 | D.9 |
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5 . 设P是一个数集,且至少含有两个数.若对于任意
,都有
,且若
,则
,则称P是一个数域.例如,有理数集Q是数域.下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1de8d2582503836a7d5194d83a73f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c138dbdd8bf4a8c795c60c261596bab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05f2c2a07c4ff99845b93abe2a105b6.png)
A.数域必含有0,1两个数 |
B.整数集是数域 |
C.若有理数集![]() |
D.数域中有无限多个元素 |
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2024-03-14更新
|
467次组卷
|
8卷引用:浙江省杭州四中吴山校区2023-2024学年高一上学期期中数学试题
6 . 如图所示,曲线
和
分别是函数
和
中在第一象限内的图象,则下列结论错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/a61c7cd8-8c19-4dbd-bb74-edbca2604fc4.png?resizew=130)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3f86cd7afe812f3d8e131bee1e315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce04612f2dc7928760c86f67a883df7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/a61c7cd8-8c19-4dbd-bb74-edbca2604fc4.png?resizew=130)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 下列各式正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . (1)已知
,求
的值
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62c8713c6e674feb4e2b811a1e93700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a696dd9dca3bd99c19f059230e8d290.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a547092beb93ff6ae989abc4e9154e57.png)
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解题方法
9 . 已知函数
,若
是偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219eb848f6533d622fd0cdd8c716133b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25990e1d373ac30d7480633e47cc1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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10 . 已知函数
是
上的增函数,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97c556daceff1b59b724104b0d859a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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