解题方法
1 . 对于函数
,给出四个判断:
①若
对一切实数
成立,则
的取值范围是
;
②若
的值域是
,则
的取值范围是
;
③若
对一切实数
成立,则
的取值范围是
;
④若
的值域是
,则
的取值范围是
.
其中正确判断的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8540bab5c4326a5752dce1cc9eb39956.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e0400d730672ae2110ff48786dd1d.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e0400d730672ae2110ff48786dd1d.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff7e39b335e3b5250b7f727e16a4a03.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff7e39b335e3b5250b7f727e16a4a03.png)
其中正确判断的序号是( )
A.①② | B.③④ | C.②③ | D.①④ |
您最近一年使用:0次
解题方法
2 . 设
,给出四个判断:①
;②
;③
;④
.其中正确判断的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dac4ab4fbd25e97f141ed92eb9f3218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e189dbc979fad6bf8ca03ac1388cbac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905e7ab4c028dbc1363647e4c8e39c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402d691a64352cab72d4e3022c504580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2bd94209da4cd10ce28e875ee70dac.png)
A.③④ | B.①③④ | C.①③ | D.①② |
您最近一年使用:0次
3 . 下列四个判断:
①若
在
上是增函数,则
;②函数
的最大值是2;
③函数
的最小值是1;④函数
是偶函数;
其中正确命题的序号是______________ (写出所有正确的序号).
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4b369f86d13d19556d0ae4f7aece51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8f9709cb97ba93bf9af881624819d7.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2016168a68d0ab74a14b16a6b84c25f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec063825b49a68733d641e341f38a459.png)
其中正确命题的序号是
您最近一年使用:0次
2020-01-03更新
|
153次组卷
|
2卷引用:安徽省合肥市高升学校2019-2020学年高一上学期期中数学试题
名校
4 . 给出下列四种说法:
(1)函数
且
的图像与函数
且
的图像关于直线
对称;
(2)函数
和函数
值域相同;
(3)函数
在
上是单调递增函数;
(4)函数
与
奇偶性不同.
其中正确说法的序号是_______________ .
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf6ec325e078b0c8ec630f345d6671c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a3cf71dd2194a5f9760c69c606e1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b70145caa80a63c229380dc6b228c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
(4)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104f76321e536e91e0991e4022920d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892fc99142bc714bdff1453b72825f92.png)
其中正确说法的序号是
您最近一年使用:0次
名校
解题方法
5 . 给出下列四种说法:
(1)函数
与函数
的定义域相同;
(2)函数
与
的值域相同;
(3)函数
与
均是奇函数;
(4)函数
与
在
上都是增函数.
其中正确说法的序号是( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09922f25b97d4aedb83abcdb25f1fdab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac29b37a221a08e12453ecef31b1889b.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03df5fa9ddc83cadfa47366117fdadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f729de9ea16f15ac5cf06ab94c6b507.png)
(4)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72c36149bd2a42b7e05714cb3803e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e212cdbfba6610bc55df2c1a737407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
其中正确说法的序号是( )
A.(1)、(2) | B.(1)、(3) | C.(1)、(2)、(3) | D.(1)、(2)、(3)、(4) |
您最近一年使用:0次
6 . 有下列几个说法:
(1)函数
在
上不是增函数;
(2)函数
在
上是减函数;
(3)函数
的单调递减区间是
;
(4)已知
在R上是增函数,若
,则有
.
其中正确说法的序号是___________ .
(1)函数
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/615694f6424943318b2e74f02a3512a6.png?resizew=96)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/ed28cf30b9684a2ca8efb6d883ff0255.png?resizew=47)
(2)函数
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/9024654c80f84641add88d9f8c0a3294.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/a36c936f1c664da9af2fc8a7d9c28f7e.png?resizew=124)
(3)函数
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/985f73e0b48a4c2da3c63f6d730450fe.png?resizew=109)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/44d4fd23c70b4848ae90e883af5a6b59.png?resizew=45)
(4)已知
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/c28e5c93ec0f4be7886599f727184502.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/fb568a48bc994fd69ad151ee49c0dba7.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021901312/STEM/58248b20ea2e44178667ea041955ff48.png?resizew=188)
其中正确说法的序号是
您最近一年使用:0次
2011·宁夏银川·一模
7 . 下图展示了一个由区间(0,1)到实数集R的映射过程:区间
中的实数m对应数轴上的点M,如图1;将线段
围成一个圆,使两端点A、B恰好重合,如图2;再将这个圆放在平面直角坐标系中,使其圆心在y轴上,点A的坐标为
,如图3.图3中直线
与x轴交于点
,则m的象就是n,记作
.
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571886835638272/1571886841307136/STEM/59457e6e5a904b0c947f64033832730f.png?resizew=554)
下列说法中正确命题的序号是________ .(填出所有正确命题的序号)
①
;②
是奇函数; ③
在定义域上单调函数;
④
的图象关于点
对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883f23ab75b490d6e9e03b8ff8b269c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cb8c71bc8935015b404485d8ee8b44.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571886835638272/1571886841307136/STEM/59457e6e5a904b0c947f64033832730f.png?resizew=554)
下列说法中正确命题的序号是
①
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/4b7fb9af9cd04cb794611b83bb2bf307.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/6cd9d1553b354d35950037e1fef3b99a.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/6cd9d1553b354d35950037e1fef3b99a.png?resizew=39)
④
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/6cd9d1553b354d35950037e1fef3b99a.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/b347451c0ec24660892255fdfab151bd.png?resizew=41)
您最近一年使用:0次
8 . 下列说法正确的是________ (只填正确说法序号)
①若集合
,则
;
②
是函数解析式;
③
是非奇非偶函数;
④设二次函数
,若
则
①若集合
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/67fd5e8c96244d2ba7baf0607451dcee.png?resizew=245)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/f165d548e7ba47488b4e994a3ea61188.png?resizew=145)
②
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/9d6664fe65924c299c91a1b29e01ca8c.png?resizew=132)
③
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/0ffed11544dd4fab90aa8a59c5cbdb45.png?resizew=96)
④设二次函数
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/3c6139bd7bf3418da7b3cb743c203a35.png?resizew=173)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/f548fdda537041019c4e86e2c0231d88.png?resizew=153)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/65f9a55b3576440d995e0e4a88d0fd69.png?resizew=96)
您最近一年使用:0次
10-11高一上·河北唐山·期中
解题方法
9 . 下列说法:①若
(其中
)是偶函数, 则实数
;
②
既是奇函数又是偶函数;
③已知
是定义在
上的奇函数,若当
时,
,则当
时,
;
④已知
是定义在R上的不恒为零的函数, 且对任意的
都满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754dcd5a8ca90e0a239951d8b8d1071d.png)
, 则
是奇函数.
其中所有正确说法的序号是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65945142d30134184e478bc623997154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978f4486f7dc6a282aecc5257132c517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d96ab75dab8aff30ee34d9b88c3d96.png)
③已知
![](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/168163183a3d4663be45755f44676191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93649f8c2a15223061cdbba378934010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637ccb33543ce5bc8131b59d70127297.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754dcd5a8ca90e0a239951d8b8d1071d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61429212d64b96e2b7766a7a31caee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中所有正确说法的序号是
您最近一年使用:0次
12-13高一上·甘肃天水·期中
解题方法
10 . 下列5个判断:
①若
在
上增函数,则
;
②函数
只有两个零点;
③函数
的值域是
;
④函数
的最小值是1;
⑤在同一坐标系中函数
与
的图像关于
轴对称.
其中正确命题的序号_______
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4b369f86d13d19556d0ae4f7aece51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c298e3b72856ab70082079d5105e8873.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c9d62d7737cda87b01fa06ae24ff98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2016168a68d0ab74a14b16a6b84c25f5.png)
⑤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/6ef9d69de06c1300c314c3c6623abb1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
其中正确命题的序号
您最近一年使用:0次