解题方法
1 . 若函数
在
上是减函数,且
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea3c3bbdee6f68b311c049a40af455a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 在下列函数中,在
上递增的偶函数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知全集
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07b35d1416d26d8a23011418e6905c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72bc3ebd480e761d156ae995abc1153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea412699ddb4a07c4a4383e2f852ec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e5b494693ecc99d8605d3a222c6639.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 求值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497c945c31c0c95f7b028d327a28c0db.png)
(2)已知
,
,用
,
表示
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497c945c31c0c95f7b028d327a28c0db.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfaa8a91d2eeb07b5382bf95c58eed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdc05e3b2eaada5b022e2bce4fb179f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b85eef7d29cc12c4844e4b2b304a38.png)
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5 . 化简求值
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4514d2f272843d9eecf8d8a7ce4bc2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d45ecd2e8d0276a5c5966257b5431b.png)
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2023-12-14更新
|
932次组卷
|
2卷引用:重庆市2023—2024学年高一上学期期中七校联考数学试题
6 . 我国南北朝时期著名的数学家祖冲之算出圆周率
的值在3.1415926和3.1415927之间,这比外国早了近千年.事实上,无理数
.如果记
小数点后第
位上的数字为
,则
是关于
的函数,记
.设函数
的定义域为
,值域为
,则关于函数
,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a9ed4060f332c51ecc5816d72897bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0add07a1ddd1f87d481c17eefcdba4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff994879de9f7fdb926070019da3a25a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次
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8 . 已知
,函数
,当
时,
的最小值为
,下列结论正确的是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://img.xkw.com/dksih/QBM/2023/11/10/3364895394365440/3366663887060992/STEM/8bbd1494813746d89267984c8ec94b6c.png?resizew=4)
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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2023-12-12更新
|
147次组卷
|
2卷引用:重庆市永川中学校2023-2024学年高一上学期数学期中复习题(二)
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9 . 已知函数
是幂函数,且
在
上单调递增,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d1a602f47cc3b563fa9e3885e5734b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.-1 | B.-1或2 | C.2 | D.3 |
您最近一年使用:0次
2023-12-12更新
|
211次组卷
|
2卷引用:重庆市永川中学校2023-2024学年高一上学期数学期中复习题(二)
名校
10 . 分别计算下面两题
(1)化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6cacf91fe4118af82badc53d0575a7.png)
(2)化简求值
.
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6cacf91fe4118af82badc53d0575a7.png)
(2)化简求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37af7244697119a2d4c699d1305d6f6.png)
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