1 . 判断正误(正确的打“正确”,错误的打“错误”)
(1)
是指数函数.( )
(2)
且
是指数函数( )
(3)指数函数的图象一定在
轴上方.( )
(4)
且
是单调函数.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9258e80841708b48b413ff467349ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04d907c859be64bc6fac254eaa0d6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
(3)指数函数的图象一定在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f93edb9ab75c61670bdef3e65d6488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
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2 . 判断正误(正确的写正确,错误的写错误)
(1)若指数函数
是减函数,则
.( )
(2)对于任意的
,一定有
.( )
(3)
是刻画指数增长变化规律的函数模型.( )
(4)若
,则
.( )
(1)若指数函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
(2)对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf7a904df8f22e3f1e26a4116eb7913.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9f7df4f0e8280ec47960ef91f67679.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dcde351221be6b414e28a9e315d937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
您最近一年使用:0次
解题方法
3 . 判断正误(正确的打正确,错误的打错误)
(1)
.( )
(2)
. ( )
(3)
. ( )
(4)
. ( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2f97bb1824f3a90a0d46fee6c0057b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79427caec22f1a1ba71e630059de015b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd51f8c0e5a417857ff013dcde8ccfa.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e40cbb1d74b4f5b51d9083df8ecf89b.png)
您最近一年使用:0次