1 . 数列
满足
,
,
,定义函数
是数列
的特征函数,则下列说法正确的是_____________
①当
时,数列
单调递增
②当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15ffa7fecea3704dc892ea8cd513c59.png)
③当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14abbc8d350e321d134eab2003ef46f4.png)
④当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b96fb33ef7cd9473aabc5b15f119fc.png)
时,记数列
的前
项和为
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb19f0c37a72b33083ae9319f11a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502416314c8c26f8442e639ea6a5db13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bff9681471371af6e3d0934caee1004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15ffa7fecea3704dc892ea8cd513c59.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda3e4033f7da0bc7880e9c62424727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14abbc8d350e321d134eab2003ef46f4.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b96fb33ef7cd9473aabc5b15f119fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803932fd89e4e8055d7187c29a46de47.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,若数列
满足
(
)且
是递增数列,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa456b69a42cf323bd2704ac81ce438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695950fe16f7972182bd2d0864e12feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-14更新
|
505次组卷
|
4卷引用:江西省南昌市三校(一中、十中、铁一中)2023届高三上学期第一次联考(11月)数学(理)试题