1 . 下列计算正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-09更新
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3卷引用:福建省莆田市2023-2024学年高一上学期期末数学试题
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc45d297de97529daea4241f4db086b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0317d5211e6afbf1ae502088b3ce1cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc45d297de97529daea4241f4db086b.png)
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3 . 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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名校
4 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25653a62f8dbaa1c50f31d88d9df2ae2.png)
(2)已知
,试用
表示
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25653a62f8dbaa1c50f31d88d9df2ae2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d586be112cea35ce289229e22bef7dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8108229c24e88fdc0cf2302b1228b51e.png)
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5 . 某企业从2011年开始实施新政策后,年产值逐年增加,下表给出了该企业2011年至2021年的年产值(万元).为了描述该企业年产值
(万元)与新政策实施年数
(年)的关系,现有以下三种函数模型:
,
(
,且
),
(
,且
),选出你认为最符合实际的函数模型,预测该企业2024年的年产值约为( )(附:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f16e835223fc827dbf0adb7fe81e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d586e481f28d2b5f11c0c2cf58e24b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91aa4d06b74cc92610d81f0933df8136.png)
年份 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
年产值 | 278 | 309 | 344 | 383 | 427 | 475 | 528 | 588 | 655 | 729 | 811 |
A.924万元 | B.976万元 | C.1109万元 | D.1231万元 |
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2024-02-23更新
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292次组卷
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3卷引用:广东省东莞市2023-2024学年高一上学期教学质量检查数学试卷
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6 . 计算下列各式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5524832c17e2c8cf9750894b48adfe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f17e70a5aa94ebc9798beb27d154f4.png)
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2024-02-03更新
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2卷引用:内蒙古赤峰市林西县第一中学2023-2024学年高一上学期期末测试数学试题(B)
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解题方法
7 . 已知函数
(
,且
)在
上的最大值与最小值之和为20,记
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5e4d2f268d3e873acaeacb1f47ea54.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3caaf39cc15fc52ecae71ac5bc0e1c5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f1b8b5b13a3422465c842d6505ce7.png)
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8 . 求值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b94c1dc61a007d11af57489e1345b0e.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b94c1dc61a007d11af57489e1345b0e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a9b56bf5f53791961fdd7142ea1ce5.png)
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9 . 计算下列各式的值;
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcd5fa2583f6a5566ac7355176403b9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911c9f14db6350678fb2ea163ec6557f.png)
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10 . 化简求值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45522f48a11e754750a73cd48f8a927f.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45522f48a11e754750a73cd48f8a927f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c640fd0411fb4c9822ac95991060d4.png)
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