1 . 设符号
表示不超过
的最大整数,如
,
,又实数
、
满足方程组
,则
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fab6009ffb15a88bd843a1c2b8d7770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7620d1990667e31e276be3d37df26ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f9217c7cf26859d31ee21d350832ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/2016/11/23/1573169569570816/1573169574821888/STEM/0cfbffda32304420985f7a1d0b3b68b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a9d68e16b7af21fdcc87626ad46c745.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 设集合
到
的映射为
,集合
到
的映射为
,则集合
中的元素
在
中的原象是
![](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/2fbeedaa0d29920a870f7fa51ee32af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17c765ee673e3b3f28981fd498ff5bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.0 | B.-1 | C.0或-1 | D.0或1 |
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3 . 已知映射
,其中
,对应法则
,实数
,且
在集合A中只有一个原象,则
的取值范围是
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382041088/STEM/1eb0c66973ea41118aed33a02b92e7b4.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382041088/STEM/acc87b3f052c4c93bbb892d1b7607f1f.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382041088/STEM/8a4cefc7c16c40d8b9c1fbb61499fe65.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382041088/STEM/1c25cc58fc5d4d21ab77442500c64b3e.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382041088/STEM/a60cc865dae849f5b600ed3ccf4366da.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382041088/STEM/a60cc865dae849f5b600ed3ccf4366da.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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4 . 函数
的图象总在
轴上方.则实数
的取值范围为
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382106624/STEM/2b3d9dea5d4e41acb2e00e93c0863bde.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382106624/STEM/eb985017bd034991ac7ef4b305e62922.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382106624/STEM/fa1676afd7d244d0ae39b0ebd6dcc63b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知
,且
,则![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382082048/STEM/52a61cd2f0d64884ad441e810bbe49a7.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382082048/STEM/47886c2ec5b7419f9db77536a86aa5a7.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382082048/STEM/10ab5fd9918c410a8918783f8e4694c5.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162376544256/1573162382082048/STEM/52a61cd2f0d64884ad441e810bbe49a7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 函数
的图象关于点
对称,
是偶函数, 则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc686059868a044375ad1c6a86d8cbcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4520fa4c5668673d4b5fa2896bdbfc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-09-19更新
|
360次组卷
|
2卷引用:辽宁省营口市开发区第一高级中学2017-2018学年高二下学期第二次月考数学(文)试题
名校
7 . 如图, 有四个平面图形分别是三角形、平行四边形、直角梯形、圆,垂直于
轴的直线
经过原点
向右平行移动,
在移动过程中扫过平面图形的面积为
(图中阴影部分), 若函数
的大致图象如图, 那么平面图形的形状不可能是
![](https://img.xkw.com/dksih/QBM/2016/8/24/1572990447673344/1572990453202944/STEM/bb651a5d-34c9-48d7-8b8a-63a495ce58d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a34c879e90f5d4d3d62f338aa7c1fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4dafff83fd807d0010d1805d9f4552e.png)
![](https://img.xkw.com/dksih/QBM/2016/8/24/1572990447673344/1572990453202944/STEM/bb651a5d-34c9-48d7-8b8a-63a495ce58d4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-08-24更新
|
556次组卷
|
14卷引用:2016届辽宁省抚顺市一中高三12月月考理科数学试卷
2016届辽宁省抚顺市一中高三12月月考理科数学试卷2016届辽宁省抚顺市一中高三12月月考文科数学试卷2015届江西省临川一中高三5月模拟试题理科数学试卷2015-2016学年广西柳州铁路一中高二上期末理科数学卷2016届湖南省高考冲刺卷(理)(三)数学卷2016届湖南省高考冲刺卷(文)(三)数学卷2016-2017学年贵州遵义四中高一上月考一数学试卷2016-2017学年广东清远三中高一上期中数学(文)试卷2016-2017学年山东平阴县一中高一上月考一数学试卷福建省三明市第一中学2018届高三上学期第一次月考数学(文)试题(已下线)《2018-2019学年同步单元双基双测AB卷》必修一 专题八 函数模型与应用 B卷北京市第一五九中学2021-2022学年高一上学期期中考试数学试题(已下线)专题09 函数图象的多变考查-学会解题之高三数学万能解题模板【2022版】河北省行唐启明中学2022-2023学年高一上学期12月月考数学试题
8 . 如图,长方形ABCD的长
,宽![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7a3d679b4dae63575903387a76ce45.png)
,线段MN的长度为1,端点M,N在长方形ABCD的四边上滑动,当M,N沿长方形的四边滑动一周时,线段MN的中点P所形成的轨迹为G,记G的周长与G围成的面积数值差为y,则函数
的图象大致为( )
![](https://img.xkw.com/dksih/QBM/2015/11/17/1572293372780544/1572293378383872/STEM/f302c56ee06b4e709f8294270c09ec73.png?resizew=97)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d6e1e893190c067ca1ae6fef8a089e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7a3d679b4dae63575903387a76ce45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463ecc921c96a0dc1b6327b8905d9151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2015/11/17/1572293372780544/1572293378383872/STEM/f302c56ee06b4e709f8294270c09ec73.png?resizew=97)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知全集U=R, 集合A=
, 则{ x|x≤0 }等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64218aad7ffe2d3bf97bf10194e02a1.png)
A.A∩B | B.A∪B | C.∁U(A∩B) | D.∁U(A∪B) |
您最近一年使用:0次
2015-06-19更新
|
461次组卷
|
5卷引用:2015届辽宁省锦州市高三质量检测二理科数学试卷
14-15高一上·辽宁沈阳·阶段练习
10 . 用二分法求函数f(x)=x3+x2-2x-2的一个零点,依次计算得到下列函数值:
那么方程x3+x2-2x-2=0的一个近似根在下列哪两数之间 ( )
f(1)=-2 | f(1.5)=0.625 |
f(1.25)=-0.984 | f(1.375)=-0.260 |
f(1.438)=0.165 | f(1.4065)=-0.052 |
那么方程x3+x2-2x-2=0的一个近似根在下列哪两数之间 ( )
A.1.25~1.375 | B.1.375~1.4065 |
C.1.4065~1.438 | D.1.438~1.5 |
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