名校
解题方法
1 . 给出以下命题:
①双曲线
的渐近线方程为
;
②命题“
”是真命题;
③已知线性回归方程为
,当变量
增加
个单位,其预报值平均增加
个单位;
④设随机变量ξ服从正态分布
,若
,则
;
⑤设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279df7e4731bd6490aebf13d9856dc6.png)
则正确命题的序号为________ (写出所有正确命题的序号).
①双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acca1c00ee33a8d7aabf1d626541259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95b60de1f6993edd7275bcf8b9527dd.png)
②命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f542f7ffedb36713a74875fbd913ef8.png)
③已知线性回归方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9adbd5913c7a4a8fa526537843dfaf51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
④设随机变量ξ服从正态分布
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bbde2076bfa6dd859f7787e155ab8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5e4c04e11c99553d865c87765c3380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5f03eb7d0c7fafb8750602173748ad.png)
⑤设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab68d62663af2e888754d86085ad27a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279df7e4731bd6490aebf13d9856dc6.png)
则正确命题的序号为
您最近一年使用:0次
2018-05-19更新
|
1288次组卷
|
2卷引用:【全国市级联考】重庆市綦江区2018届高三5月预测调研考试理科数学试题
2 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3db364cad05e1e70fb29743351bafc1.png)
(1)当
时,过原点
的函数
的切线方程为__________ ;
(2)当
时,若数列
满足:
.判断下列命题是否正确,正确的在括号内写正确,错误的写错误.
①
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a5945ce5c2114af8c18718ca8dc899.png)
( )
②
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf06dcd2cef3226b0663f5562eb423f.png)
( )
③
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33fa384c97d499ae7ca08320f684c432.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3db364cad05e1e70fb29743351bafc1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dc8a749985e8aae334a15da6d70f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75369db7afe5feec5c95e960136cbf3b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b78297a65e7fad69635b19928ecc10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a5945ce5c2114af8c18718ca8dc899.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15aa2314541715f6be69251653ebf6da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf06dcd2cef3226b0663f5562eb423f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15aa2314541715f6be69251653ebf6da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33fa384c97d499ae7ca08320f684c432.png)
您最近一年使用:0次