第二章基本初等函数(I)
专题09 2.1.2指数函数及其性质
![](https://img.xkw.com/dksih/QBM/2016/1/18/1572443373543424/1572443379408896/STEM/3a3f33fe20a84ace9f4d05805f9cbc84.png?resizew=203)
A.a<b<c<d | B.b<a<c<d | C.b<a<d<c | D.a<b<d<c |
【知识点】 根据指数型函数图象判断参数的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39d73e418b475326d89e87da0056982.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 函数的图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a39fbc5bde591d963525cbbcf7d2b0.png)
![](https://img.xkw.com/dksih/QBM/2020/9/5/2543108059062272/2543199374581760/STEM/bf77cb63eb994a04af2c0aa22dab0ce4.png?resizew=122)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
【知识点】 根据指数型函数图象判断参数的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0b219e44574e8483aad8d8d515b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9cefb6cf076771e8a196fd8266cff1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 判断指数型复合函数的单调性 由指数函数的单调性解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45427a4b44ae8d4636155c1461208045.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 函数图像的识别 判断指数型函数的图象形状
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30952f3471b76dff71e6cdd4bd8ec6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31b26dcc96e066238dfa3260b08155e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d263c8ac39710059ad602c29659323a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)