1 . 张先生2018年年底购买了一辆
排量的小轿车,为积极响应政府发展森林碳汇(指森林植物吸收大气中的二氧化碳并将其固定在植被或土壤中)的号召,买车的同时出资1万元向中国绿色碳汇基金会购买了 2亩荒山用于植树造林.科学研究表明:轿车每行驶3000公里就要排放1吨二氧化碳,林木每生长1立方米,平均可吸收1.8吨二氧化碳.
(1)若张先生第一年(即2019年)会用车1.2万公里,以后逐年增加1000公里,则该轿车使用10年共要排放二氧化碳多少吨?
(2)若种植的林木第一年(即2019年)生长了1立方米,以后每年以10%的生长速度递增,问林木至少生长多少年,吸收的二氧化碳的量超过轿车使用10年排出的二氧化碳的量(参考数据:
,
,
)?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097f9bbde5cad54c3ebde86e6d193119.png)
(1)若张先生第一年(即2019年)会用车1.2万公里,以后逐年增加1000公里,则该轿车使用10年共要排放二氧化碳多少吨?
(2)若种植的林木第一年(即2019年)生长了1立方米,以后每年以10%的生长速度递增,问林木至少生长多少年,吸收的二氧化碳的量超过轿车使用10年排出的二氧化碳的量(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01962d5a8ddd9968fd4d0c91485347b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cfbf93e22e2e2f0e7b950cf067d6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764a158fc7285a4e90c258703c9ed390.png)
您最近一年使用:0次
2020-06-22更新
|
873次组卷
|
10卷引用:辽宁省重点高中沈阳市郊联体2023-2024学年高二下学期4月月考数学试卷
辽宁省重点高中沈阳市郊联体2023-2024学年高二下学期4月月考数学试卷河北省曲周县第一中学2019-2020学年高一下学期开学考试数学试题山东省泰安市新泰第一中学(东校)2020-2021学年高二上学期第二次质量检测数学试题(已下线)5.4 数列的应用-2020-2021学年高二数学课时同步练(人教B版2019选择性必修第三册)山东济南市历城第二中学2020-2021学年高二下学期开学考试数学试题第五章 数列(A基础卷)-新教材2020-2021学年高二数学尖子生培优AB卷(人教B版2019选择性必修第三册)人教A版(2019) 选修第二册 突围者 第四章 第三节 课时3 等比数列的前n项和公式(2)人教B版(2019) 选修第三册 突围者 第五章 第四节 数列的应用人教A版(2019) 选修第二册 数学奇书 第四章 数列 4.3等比数列 4.3.2等比数列的前n项和公式 第2课时 等比数列前n项和的综合应用河南省南阳市第一中学校2023-2024学年高二下学期开学考试数学试题
2 . 设函数
,数列
满足
,
(
,
).
(1)求数列
的通项公式;
(2)设
,若
对
恒成立,求实数
的取值范围;
(3)是否存在以
为首项,公比为
(
,
)的数列
,
使得数列
的每一项都是数列
的不同的项,若存在,求出所有满足条件的数列
的通项公式;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d97c1f62870443fd716ead6ee08f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7159d26428c0095acb8787e29536962a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27dc1c796fd7e549b51e20755908969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa37fbaf932b05bf205441dbaac6d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)是否存在以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4625f87f77b36375db9083016c3c935f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7f935ae4d7aea65c3299d58b918fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694b52596fdfcc391b23b3894ad85ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fdc1462f4e229a03a62c951a1f5994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00642d1b88b250d7907b64a39f4dd9fe.png)
您最近一年使用:0次
3 . 已知数列
的通项公式
,数列
满足
,
为数列
的前
项和.
(I)求
;
(II)若对任意的
不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/a3fb8b412e5c4009a7bc49510a68d65f.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/9820cb86f42a4b14abfba03292bc7eff.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/9c59b7c172704a0f8f1be3cecd07facf.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/fbc2feb47c15465fbaf40850c13e6bec.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/9820cb86f42a4b14abfba03292bc7eff.png)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/bf66663e8cff4c879484c0003c3373ef.png)
(I)求
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573162299621376/1573162306117632/STEM/fbc2feb47c15465fbaf40850c13e6bec.png)
(II)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9203bf54c2e1b6438d0b741ea6cd1a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b539eb2f2e519475a65ee7760b7031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fffd330dd6b9241659d790bd2a7fb2.png)
您最近一年使用:0次
名校
4 . 已知数列
的前
项和为
,且
.
(1)求数列
的通项公式;
(2)设
(
为自然对数的底数),定义:
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.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/36c174ca57a524e323df7daecd8b460a.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a453215183990e0be5aa2d5d81fa4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a904b763ed2125d74752e8f405bff09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e432a2d74bb0155f2558f5d7cd47dde.png)
您最近一年使用:0次
2016-12-04更新
|
480次组卷
|
2卷引用:2017届辽宁省鞍山市第一中学高三3月月考数学(文)试卷
5 . 已知数列{an}的前n项和为Sn,Sn=2an﹣2.
(1)求数列{an}的通项公式;
(2)设bn=log2an,cn=
,记数列{cn}的前n项和Tn,若对n∈N*,Tn≤k(n+4)恒成立,求实数k的取值范围.
(1)求数列{an}的通项公式;
(2)设bn=log2an,cn=
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572557808803840/1572557814816768/STEM/721ce977d5844319a22cfe8f7201c6ee.png)
您最近一年使用:0次
13-14高二上·辽宁·阶段练习
6 . 等比数列{
}的前n项和为
,已知对任意的
,点
,均在函数
且
均为常数)的图像上.
(1)求r的值;
(2)当b=2时,记
求数列
的前
项和
.
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/ef5d8ce074414dbbb0327238ad4ec86a.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/2ea3fd42ad034592bb3cabea24847e84.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/ff8ffb007ba844f2abf00fd4ea64c22c.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/f1d412f128ec47bfbdc477a8603d7bb0.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/8c0e280b95274e93bb8575b705161a8e.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/9ee18ea7d600474aa986277c78ed27cf.png)
(1)求r的值;
(2)当b=2时,记
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/15cfe297ef7c40f7ac9605f659f3a4f9.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/c1da1a3dde9d45b79e4eb9ff9a735706.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/9cddedc8ae5148639838ccf31af5f1bf.png)
![](https://img.xkw.com/dksih/QBM/2013/10/21/1571371157790720/1571371163598848/STEM/c9c55360ceaa41fbbf6f7c62e83f1075.png)
您最近一年使用:0次
13-14高二上·辽宁丹东·期末
7 . 数列
的前
项和为
,若
,点
在直线
上.
⑴求证:数列
是等差数列;
⑵若数列
满足
,求数列
的前
项和
;
⑶设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.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/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae89ee7d3854b42892d0f973c26f340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5eb45ebb283efa86afac997de2fbc4.png)
⑴求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0336731988224293bc0e9a7958adfd.png)
⑵若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89d1f32c1605cfdb8e8855051b9f6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65e6d7591c7f462e5962e44a10d4ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89d1f32c1605cfdb8e8855051b9f6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
⑶设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945af8434fd20a93dd1e021f7096a331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad56b355c0fa155981ec3959552e5b3.png)
您最近一年使用:0次
2011·浙江嘉兴·一模
名校
8 . 已知数列
满足
,数列
满足
.
(1)求证:数列
是等差数列;
(2)设
,求满足不等式
的所有正整数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d127d4ba46f20948aae1fc3a525e31a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89d1f32c1605cfdb8e8855051b9f6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57ddc145a84bbecbcce7fdc80784d12.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89d1f32c1605cfdb8e8855051b9f6ec.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ebd2cc6013a741345482dc03398a14f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a788649af4842c35d8c51747c985e2b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2016-12-02更新
|
1029次组卷
|
6卷引用:辽宁省实验中学2018届高三上学期期中考试数学(理)试题
辽宁省实验中学2018届高三上学期期中考试数学(理)试题 (已下线)2011届浙江省嘉兴一中高三高考模拟试题文数(已下线)2011届浙江省嘉兴一中高三高考模拟试题理数(已下线)2013届浙江省宁波一中高三12月月考理科数学试卷2016届海南省海南中学高考模拟十文科数学试卷2016届海南省海南中学高考模拟十理科数学试卷
9 . 已知等差数列
的前
项和为
,且
.
(I)求数列
的通项公式;
(II)若数列
满足
,求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.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/3c2fa3485b1ffd030d1650b527a11047.png)
(I)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
(II)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89d1f32c1605cfdb8e8855051b9f6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55aaad7b6a54be2d0ce3ba246ff358a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89d1f32c1605cfdb8e8855051b9f6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次