名校
1 . 如图所示,定义域和值域均为R的函数
的图象给人以“一波三折”的曲线之美.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/69f58040-344f-4fff-bf43-56a8e163c612.png?resizew=169)
(1)若
在
上有最大值,则a的取值范围是______ ;
(2)方程
的解的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/69f58040-344f-4fff-bf43-56a8e163c612.png?resizew=169)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185913996dca698b6b807108e09d4351.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f784ea016d826b292c39e89b1957c808.png)
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2022-11-10更新
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897次组卷
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9卷引用:考点巩固卷04 函数的性质(十大考点)
2022高一·全国·专题练习
2 . 设
,若函数
,当
时,
的范围为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c5dbbd1a7f9932567099ee67f2443f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eac4d6bf066089b2243947dbdb18cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ef058cc808ec318965c0aef5587be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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