1 . 已知定义在
上的函数
.
(1)若
,求方程
的解;
(2)若
,试判断
在
上的单调性,并用单调性的定义证明;
(3)若
,集合
,且集合
恰有16个子集,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6c2df20a2c22f0fb59b477d63dea43.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0369099d128586f54e7d566a5cdc5686.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2377ec6f0f933f4d0a743d0a5b6f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ac15fd4aa84b5ee13002d7ee04a96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 若函数
,
,且
,
.
(1)求a,b的值;
(2)①在平面直角坐标系中画出函数
的图象;
②若方程
有三个不同的实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb890dccd0593933087e0b61b9c300b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1556cb6b9c24202a6faae584035c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab1e110e0d90ba749c0fbb90a0b53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3029a39fe6d67da0c12f68fd19e155.png)
(1)求a,b的值;
(2)①在平面直角坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927adc3ef749d09e76374ffbd7c50da9.png)
②若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f42aec2a770c668dc882b8bc40f423.png)
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3 . 已知函数
.
(1)若
,求
的值;
(2)若
,用函数单调性定义证明
在
上单调递减;
(3)设
,若方程
在
上有唯一实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d09168c3b90d6da2eccc0bf347f59e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc04702be4996e6b89b656f5a7fc8b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189b2da6c420bf8f8900002d14f65f72.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a47ac48e9c15189074604656c7fe180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86eff5761f61a20c240a428f2a7ceda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-01-03更新
|
459次组卷
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6卷引用:北京市大峪中学2023-2024学年高一上学期期中考试数学试题