名校
解题方法
1 . 已知函数
,给出下列四个结论:
①
存在无数个零点;
②
在
上有最大值;
③若
,则
;
④区间
是
的单调递减区间.
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89677f5c13cb2ab532758a934dc606a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4789e8a10e8a829c39a22270f187850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232b4c05f31dc2eaa083f1e6e0c3bdec.png)
④区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f935fa5d0ae1b208aff21aa468ecf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中所有正确结论的序号为( )
A.①②③ | B.②③④ | C.①③ | D.①②③④ |
您最近一年使用:0次
2023-09-10更新
|
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4卷引用:辽宁省沈阳市铁路实验中学2024届高三上学期第二次模拟考试数学试题
名校
2 . 给出下列命题,其中所有正确命题的序号为_____
①若
,
,则存在实数
,使得
;
②若
,
,则存在实数
,使得
;
③函数
是偶函数;
④
是函数
的一条对称轴方程;
⑤若
是第一象限的角且
,则
;
⑥若
且
,则
.
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a50f9ad4ac25efc18cee70c9c9d2261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75031cf0416919096f1a8c77cfeaeea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523a226fd760715e6684c4e25c45f9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7b3147e51fd0b48653a968fef9694b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2facb8a724272983d102cafa8e58ec.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec92846f10e60f4d13fb2f8be32794c.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116a4f1c8b51d1993e6d7c054e2ed5d7.png)
⑥若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ced5562c4279b976fe55ece5eb2a79a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a401c9746be69fe548580e6cd10256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf46d5a0063235e696ef535d2008ce46.png)
您最近一年使用:0次
名校
3 . 下列说法中,所有正确说法的序号是______________ .
①终边在
轴上的角的集合是
;
②函数
在第一象限是增函数;
③函数
的最小正周期是
;
④把函数
的图象向右平移
个单位长度得到函数
的图象.
①终边在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7bcbdf4b8d34930a26a56aa714368a8.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8e4f5b3c0bc0c9a968e9eec375b66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
④把函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33522ab6c7c4af036de962a083df267a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c191fdfd08fb94ba6ed45c71f0fbeb.png)
您最近一年使用:0次
2014·辽宁·一模
4 . 已知函数
,给出下列五个说法:
①
;
②若
,则
(
);
③
在区间
上单调递增;
④函数
的周期为
;
⑤
的图象关于点
成中心对称.
其中正确说法的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da6ec319e341297cfd7e6082624575d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50222ca91ac1585fa0185a9c37d55b2e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9398decb3db8a8b7f2fff4c7cd753be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227a28d76ee8fe4aa93ab97a15ebb8e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4814cc69393408433ac56a06c8e86855.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fee0e4f79e30bbff8e4be338f6adec.png)
其中正确说法的序号是
您最近一年使用:0次
2018-01-08更新
|
500次组卷
|
3卷引用:2014届哈师大、东北师大、辽宁实验中学高三第一次联合模拟文数学卷