名校
解题方法
1 . 下列说法中正确的序号为___________ .
①在同一坐标系中,函数
与函数
的图象关于
轴对称;
②函数
(
且
)的图象经过定点
;
③函数
的单减区间为
;
④任意
,都有
.
①在同一坐标系中,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463d84a4fbb7d0e1ca72911e70c4bacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa80ae0b0eab1f14cccf872500f0843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c34af900e0f2a076c26a5273d4f75b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95169f7287a6a0c9b6917eb2ceb245eb.png)
④任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20251bc82067179f013288b5c338856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f487f165f3ecce50cca5e3720c0891c.png)
您最近一年使用:0次
2021-11-21更新
|
722次组卷
|
2卷引用:四川省成都市四川大学附属中学2021-2022学年高一上学期期中考试数学试题
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
3 . 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)
您最近一年使用:0次
解题方法
4 . 设函数
是定义在
上的函数,满足
,且对任意的
,恒有
,已知当
时,
,判断以下结论:
①函数
是周期函数,且周期为2,
②函数
的最大值是4,最小值是1
③当
时,
,
④函数
在
上单调递增,在
上单调递减.
其中正确的是___________ (只写正确结论的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd4b22e50b313bf02baa4149248c114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa130b80a64f150b2ab78d40cf128c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ca09f5aa587fb8e9f825cf0f211072.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095c5f7a3c6917839c01fd1e5654ee91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9d82a6bad102108099361619ba1555.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de71d25c72850e383a4c841eed0db99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986bf388154929f938930bb581589c92.png)
其中正确的是
您最近一年使用:0次
2021-12-07更新
|
403次组卷
|
2卷引用:河北省衡水市冀州区第一中学2020-2021学年高二下学期期末数学试题