设定义在
上的函数
,则不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d401405241a6579cdf1843dbd73bd6d.png)
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23-24高一上·福建莆田·阶段练习 查看更多[3]
福建省莆田第二中学2023-2024学年高一上学期12月阶段检测数学试题四川省资阳市安岳中学2023-2024学年高一上学期1月阶段测试(示范班)数学试题(已下线)高一数学开学摸底考 01-北师大版2019必修第一册全册开学摸底考试卷
更新时间:2023-12-16 12:27:32
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【推荐1】写出一个同时具有下列性质①②③的函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
________ .
①定义域为
,函数值不恒为0,且图象是条连续不断的曲线;②
;③
为函数
的导函数,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
①定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06d0bc631854fb0c09dd44ad3d35ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】已知函数
,若
,则实数
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9675e43741ef6b6c03bbda33bde113ec.png)
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【推荐3】已知
,则不等式
的解集是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2387653c87c2aab4ab699d0825b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d086a2a480ca76f8e23981165bd3bf5.png)
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【推荐1】已知命题
关于
的函数
在[1,+∞)上是增函数,命题
关于
的函数
在R上为减函数,若
且
为真命题,则
的取值范围是_________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】对于给定的函数
(
,且
),下面给出五个命题,其中真命题是________ (填序号).
①函数
的图象关于原点对称;
②函数
在R上不具有单调性;
③函数
)的图象关于y轴对称;
④当
时,函数
的最大值是0;
⑤当
时,函数
的最大值是0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9786c92b53010f3722ad0b7eae513c41.png)
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①函数
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②函数
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③函数
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④当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8d8600afc94213fde6e9ace3dc3d99.png)
⑤当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8d8600afc94213fde6e9ace3dc3d99.png)
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【推荐1】函数y=log0.8(-x2+4x)的递减区间是______________________ .
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【推荐2】设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdab45fc56c1f81bd8920af4f6458f1b.png)
①
有最小值;②当
时,
的值域为
;③当
时,
在区间
上有反函数;④若
在
上单调递增,则
;其中正确的是_______ .
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①
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【推荐1】已知幂函数
的图象过点
,且满足
恒成立,则实数m的取值范围为________ .
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【推荐2】已知
是定义在
上的奇函数,记
的导函数为
,当
时,满足
,若存在
,使不等式
成立,则实数
的最小值为______ .
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【推荐3】已知函数
及其导函数
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