1 . 设区间
,若
,则“函数
在
上为减函数”的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0fee6c6429c381040024aad34c456a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f1f2f0a49206347a68e435d035f51d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b9bd991903f2aa6c70a654f22f7e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2 . 关于函数
有如下四个命题:
①
的定义域是
;
②
图象关于y轴对称;
③
的图象关于点
,
对称;
④
在
上单调递减,在
上单调递增.
其中所有真命题的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74870d42d42b5c9a58454862011f5248.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b458791d396e2e10a76da6c591d8e9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d60cbfc5369e6c2642cbc4ca6ed575d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe386ad25a4c1cce633ed4e129127047.png)
其中所有真命题的序号是
您最近一年使用:0次
3 . 已知函数
的最小正周期
,且对任意
,
恒成立.若函数
在
上单调递减,则实数
的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343884787ebc795ae93a39d59ec8fdd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b135dc282df87923bf4b4b4e6d910844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e441923ed3c1a32720d6aeac2f599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知函数
的图象与直线
的三个相邻交点的横坐标分别是
、
、
,则
的单调递减区间是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f476b4c878b6ce23f5c392460f0d6d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fba7edbaf165648228c05c167eebc85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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22-23高三上·北京·期中
名校
5 . 已知函数
在区间
上有且仅有5个零点,则下列结论中正确的是______ .
①
在区间
上单调递增;
②
在区间
上有且仅有3个极大值点;
③
在区间
上有且仅有2个极小值点;
④
的取值范围是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a08d0ac801d89678cfbe2982c282717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13330e554137f1113e5f6d81bec4a844.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7792efd7f82bfa7549db4cb6ca761.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7792efd7f82bfa7549db4cb6ca761.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fabd3b02227734271ce9e8a2133e2e.png)
您最近一年使用:0次
2022高三·全国·专题练习
6 . 已知函数
,将
的图象上所有点沿x轴平移
个单位长度,得到函数
的图象,且函数
为偶函数,当θ最小时,函数h(x)=2cos(πx-θ)的单调递减区间为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26cf3ecd38731762f4a764a39ab06e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5ea79d75512a14d0b4d678b5880a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
7 . 设函数
,已知
在
有且仅有2个极小值点,下述选项错误的是__________ .(填序号)
①
②
在
上单调递增
③
在
上单调递减 ④
在
上至多有2个极大值点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725eeb84a7e075c57fcc775162a85aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554d26fdc207163a2c321459bb703211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bfab3c57a062f346b06d869e5bc7ca8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8719858b5541678c3645cafdff5ead0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
,下列结论你认为正确的是______ (填序号)
①函数
是偶函数
②函数
的最小正周期为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
③函数
在区间
上单调递增
④函数
的图像关于直线
对称
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64de1e143110c7aaac77bc2d49d83d73.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e202311386b920f5b269ae0fda0c4fe.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c63e1c64c42b7f3b7fdc396d4756cab.png)
您最近一年使用:0次
2022-09-06更新
|
597次组卷
|
3卷引用:广东省广州市番禺区象贤中学2023届高三上学期第一次月考数学试题
名校
9 . 已知函数
,若
对任意
恒成立,则函数
的单调增区间为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ed7872a12d9a5a74e0cbdee1c14e33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c999aab899a279d88babdb67e1102ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2022-06-13更新
|
1017次组卷
|
3卷引用:辽宁省辽南协作体2021-2022学年高一下学期期中考试数学试题
名校
10 . 已知函数
,给出下列四个结论:
①
的最小正周期为
;
②
在区间
上单调递减;
③
的最大值为1;
④当
时,
取得最大值或最小值.
以上正确结论的序号是___________ .(写出所有正确的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69ab38bd6dc070197b67b99b3be3936.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceba54c042e227b842c8f85628267c6.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ba60aea7eb9213e12a76af411a2f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
以上正确结论的序号是
您最近一年使用:0次
2022-05-14更新
|
650次组卷
|
2卷引用:北京市第四中学2021-2022学年高一下期中数学试题