1 . 已知函数
满足
,当
时,
.
(1)当
时,求函数
的图像与x轴所围成的图形面积;
(2)当
时,求函数
的最大值;
(3)当
时,函数
与
的图像有交点,将从左向右的交点的横坐标依次记为
、
、
、…,数列
是否可能为等比数列,若可能,请求出对应的m值,若不可能请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a940e5f45501eba9b07b73b2248bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356d300456f7f1c5fd6c90005aadeedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb13318f27e55da0b1235027cff5f9f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028fc8d6c0d37e57d5ceb33b707a59f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e30616558446d4a6db6917296128e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d4d0b32b13857630f986eabb11bc78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d42f3fa4f3982fee6a5d57bda6e352.png)
您最近一年使用:0次
2 . 将一个数列中部分项按原来的先后次序排列所成的一个新数列称为原数列的一个子数列,如果数列存在成等比数列的子数列,那么称该数列为“弱等比数列”.已知
,设区间
内的三个正整数
,
,
满足:数列
,
,
,
为“弱等比数列”,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72e056edc8ce492ccbaaacaeaa7cb1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bd3ea56596730917cd797c963072a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51d60c9e444ef2d7705c3c6bee3efe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e1fbe0fb49725cf6d1e689ee8986d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb59638769faa7d399f622c03ee3674f.png)
您最近一年使用:0次
2020-02-14更新
|
968次组卷
|
2卷引用:江苏省南通市海安高级中学2021-2022学年高三上学期期中模拟数学试题