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1 . 若
为
上的奇函数,且满足
,对于下列命题:①
;②
是以4为周期的周期函数;③
的图像关于
对称;④
.其中正确命题的序号为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85562a6f6b3eeed84eed60281defe0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ae9fbc747843a9db6f04d2806c21aa.png)
您最近一年使用:0次
2019-07-15更新
|
911次组卷
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2卷引用:福建省长泰县第一中学2018-2019学年高二下学期期末考试数学(理)试题
2 . 已知函数
,现有下列五种说法:
①函数
为奇函数;
②函数
的减区间为
,增区间为
;
③函数
的图象在
处的切线的斜率为
;
④函数
的最小值为
.
其中说法正确的序号是_______________ (请写出所有正确说法的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d45e9bb438a011f890a8827795aad3.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e844c16091cc29c146253a58619c2ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f22081273de197e040d498e237da7b.png)
③函数
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609126055936/1572609132167168/STEM/3dfbc65155534e88a2bb7b6969f870f3.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609126055936/1572609132167168/STEM/f73ee3b3cbda4874ac6b1facdebed23e.png?resizew=9)
④函数
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572609126055936/1572609132167168/STEM/3dfbc65155534e88a2bb7b6969f870f3.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f41f00c2b89691e60cdf9d38ff1d8ab.png)
其中说法正确的序号是
您最近一年使用:0次
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3 . 如图所示,边长为 1的正方形PABC沿 x轴从左端无穷远处滚向右端无穷远处,点B恰好能经过原点.设动点P的纵坐标关于横坐标的函数解析式为
,则对函数
有下列判断:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/8b691083-d8e8-45e2-8eeb-c1e461e9c716.png?resizew=189)
①函数
是偶函数;
②
是周期为 4 的函数;
③函数
在区间[10,12] 上单调递减;
④函数
在区间[1,1] 上的值域是[1,
]
其中判断正确的序号是_______ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/8b691083-d8e8-45e2-8eeb-c1e461e9c716.png?resizew=189)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
其中判断正确的序号是
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