解题方法
1 . “天眼”探空、神舟飞天、高铁奔驰、北斗组网等,我国创造了一个又一个科技工程奇迹.为了顺应我国科技发展战略,某高科技公司决定启动一项高科技项目,启动资金为2000亿元,为保持每年可获利20%,每年年底需从利润中取出200亿元作为研发经费.设经过n年之后,该项目资金为
亿元.
(1)写出
的值,并求出数列
的通项公式.
(2)求至少要经过多少年,该项目的资金才可以达到或超过翻一番(即为原来的2倍)的目标.(取
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)求至少要经过多少年,该项目的资金才可以达到或超过翻一番(即为原来的2倍)的目标.(取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96ad2a5315cc4dd120bb806f0981bc0.png)
您最近一年使用:0次
2 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fc36223df826441b197b3f47982232.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fc36223df826441b197b3f47982232.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185a1407715689bb0e3e0d8c98a350ae.png)
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3 . 对于函数
,
,如果存在一对实数a,b,使得
,那么称
为
,
的亲子函数,(a,b)称为
关于
和
的亲子指标.
(1)已知
,
,试判断
是否为
,
的亲子函数,若是,求出其亲子指标;若不是,说明理由.
(2)已知
,
,
为
,
的亲子函数,亲子指标为
,是否存在实数m,使函数
在
上的最小值为
,若存在,求实数m的值,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6db5088f04321a8326003324b5e3974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06e2fbe4f9eb3bca0293a9fbf4d72a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ceaa5ac078f8cbf3ec47a586a80b4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87dd865146924040452218df86cfbd64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7145da612cce6f52bd346949d2c79618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/363e4a8a2391d2ee0305a96322bda75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e411cb026c3f82d67473cb5adc8c5543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae749eed6c4f0bfafc5cdbf4b7bc446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ce3ebd1112220c639562739f1f9d1.png)
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2023-11-23更新
|
230次组卷
|
2卷引用:湖北省恩施州巴东县第一高级中学2023-2024学年高二上学期末数学试题
4 . 计算下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e6a54fb47cd194a90ea578e30f712b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc11b6ae36e837f8dfdc6d779b4299e8.png)
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解题方法
5 . 已知函数
,且
.
(1)求a的值;
(2)当
时,
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f9631420660bf176b1fb4e111885b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172dd7f1d734264058036e70642d56ef.png)
(1)求a的值;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b2379f8d97dac6f7ddf3f262968768.png)
您最近一年使用:0次
2023-10-27更新
|
568次组卷
|
5卷引用:期末测试卷02(测试范围:第1-8章+集合+不等式+函数)-备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)
(已下线)期末测试卷02(测试范围:第1-8章+集合+不等式+函数)-备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)河北省邢台市五岳联盟2024届高三上学期第四次月考数学试题陕西省汉中市多校2023-2024学年高三上学期第四次联考文科数学试题陕西省汉中市多校2023-2024学年高三上学期第四次联考理科数学试题陕西省西安市长安区2024届高三10月联考数学(文)试题
解题方法
6 . 如下两个条件①
,②
.
从①②两个条件中任选一个,补充在下面问题中,并求解.
问题:已知集合__________,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb94c9515e89d2a351010ccc25d1357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e71dff6cdc23b362bdb0d57cf80afca.png)
从①②两个条件中任选一个,补充在下面问题中,并求解.
问题:已知集合__________,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83057284f22e4b218bfc31b89f954ef4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
7 . 已知函数
.
(1)求函数
的单调区间;
(2)若
恰有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32fd6e74b7d39045ced51079ce18f691.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c267560e6a3e049d81a5244d551dc108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 已知函数
.
(1)求
的值,判断
的奇偶性并证明;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7edecfbf1b4e1052468d209e8f017a88.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0d45f1b96fe757e824aa7934830447.png)
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解题方法
9 . 已知函数
的图像经过点
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7214c0d6ebb621a92ed88dd2a68b7354.png)
(1)求
的解析式;
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2042d7826dd3bd564bb45c890d54471e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7214c0d6ebb621a92ed88dd2a68b7354.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c860c8d336e934a5397d2b7026f73e17.png)
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解题方法
10 . 已知函数
,
.
(1)当
,
时,求
的最小值;
(2)若不等式
的解集是区间
的子集,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270da6d9505bf984202e5bcf774f5cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e37c35e33ffa1a55a0693ae2319da91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18419ab2d7cde42b1130e9894dc5b9e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1063a1e2693c348c67546c2288e56da7.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf664ed944afee2ec6d18b67fd09b06.png)
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