名校
解题方法
1 . 有下列几个命题,其中正确的共有( )
①函数
在
上单调递增;
②函数
在
上是减函数;
③函数
的单调区间是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b2856045b940760ebabe6606df19a6.png)
④已知
在
上是增函数,若
,则有
;
⑤已知函数
是奇函数,则
.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7412df22fccf009c5893d0599b638e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1780ef72776ea88e663ff619631014f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb4279cb37b97c14310808971acea31.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95430403b12f498999adbe04dc4bcec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b2856045b940760ebabe6606df19a6.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2c8f30b39c02d5beceef56bf55ad68.png)
⑤已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd67d446c288113afe4c22c5e8bf024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94281abc10cdc81b129f685b79b60bd2.png)
A.1个 | B.2个 | C.3个 | D.4 |
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2023-01-14更新
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360次组卷
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2卷引用:宁夏银川一中2022-2023学年高二下学期期中考试数学(文)试题