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1 . 下列运算正确的有( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-03-14更新
|
676次组卷
|
2卷引用:贵州省安顺市2023-2024学年高一上学期期末教学质量监测考试数学试题
2 . 光线通过一块玻璃,强度要损失
.设光线原来的强度为
,通过
块这样的玻璃以后强度变为
,那么至少通过多少块这样的玻璃,光线强度能减弱到原来的
以下
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28555fa2f3a09261cb4e0305d390145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8458245e7ff4306398cd608f8b262b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d704169051fea0660451e297628af380.png)
A.13 | B.14 | C.15 | D.16 |
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解题方法
3 . 函数
的图像如图所示,定义域为
,其中
,
,当
时.图像是二次函数的一部分,其中顶点
,当
时,图像是指数函数的一部分.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/6648dea6-3531-4e14-9329-39f005d1cf7e.png?resizew=179)
(1)求函数
的解析式:
(2)求不等式
的解集:
(3)若
对于
,恒有
恒成立.求出
的取值范围(不要求计算过程).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d381f8891b6b2d2417b7df2492eb3b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302e421a250119f34d8f3c9928730490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad324be3bebd9c8051c5f502df2b536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d381f8891b6b2d2417b7df2492eb3b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5d54ea50d01535318b10a9fa570931.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/6648dea6-3531-4e14-9329-39f005d1cf7e.png?resizew=179)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbc3dfb24fa1f2a3bbfdb74f5f91eaf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681d6d27b23b1c41834d7516122f73f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aebfb85aae9dd1ada8c9bc10008f987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae828be829213bd6b66651dce99263c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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4 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df558289b30e640381bbf406fae2babf.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df558289b30e640381bbf406fae2babf.png)
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解题方法
5 . 方程
的实数解的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6974a4b501d7523bc7b61b41c98a9e1e.png)
A.0 | B.1 | C.2 | D.3 |
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6 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc6a0713917c995c9cba31fdab2bd766.png)
A.![]() | B.0 | C.1 | D.2 |
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解题方法
7 . 已知定义在R上的奇函数
满足
,当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e264b11a47db447a7a0a19f2c3b8900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21aef4d68b30a88ab929e51ee8e1c5a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d76ccfcd8db6ae2783d0fa57191ba0f.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d76ccfcd8db6ae2783d0fa57191ba0f.png)
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9 . 计算:
(1)
+
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf25a1c2309a9481f9a6a11dd01696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce41c4328b168868eb82ab52744bedb9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c09388ea35449352e5630d72d89317b.png)
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10 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd7cdcf1c5b8530538e2687ca64ee6b.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd7cdcf1c5b8530538e2687ca64ee6b.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfaf5c3251522039ad2a2c5b0d68ffb.png)
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