1 . 给出下列五个命题:
①函数
在区间
上存在零点;
②要得到函数
的图象,只需将函数
的图象向左平移
个单位;
③若
,则函数
的值城为
;
④“
”是“函数
在定义域上是奇函数”的充分不必要条件;
⑤已知
为等差数列,若
,且它的前
项和
有最大值,那么当
取得最小正值时,
.
其中正确命题的序号是________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e740c343e9753db2d1234c572b86cac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c3988d58a90ce85be4e65c4a86de45.png)
②要得到函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a47a8f4e7de01c03871ab3318b89275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87a9ef1f87936695fb681df932efd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd428367613ff79e8b9f7729def1d064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f1809559a3eed3cae8aa668f1d6da9.png)
⑤已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc09e305f5528f623a126506e770b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafbc94594b8c877de8883dea10e374c.png)
其中正确命题的序号是
您最近一年使用:0次
名校
2 . 定义函数f(x)=(1﹣x2)(x2+bx+c).
(1)如果f(x)的图象关于x=2对称,求2b+c的值;
(2)若x∈[﹣1,1],记|f(x)|的最大值为M(b,c),当b、c变化时,求M(b,c)的最小值.
(1)如果f(x)的图象关于x=2对称,求2b+c的值;
(2)若x∈[﹣1,1],记|f(x)|的最大值为M(b,c),当b、c变化时,求M(b,c)的最小值.
您最近一年使用:0次
2020-03-22更新
|
724次组卷
|
2卷引用:浙江省绍兴一中2019-2020学年高二下学期期中数学试题
3 . 设关于
的三个方程
,
,
的实根分别为
,
,
,
,
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b499373cc8cee8105e9bc457e69d8e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fce65c4b72f91e221b88782456fa770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62f2d7a8ff8acee6215ea08d54fc6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9b42973c53907f09f2de384c42fc5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5d7669b5a1fbf748a1b39471564aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
14-15高三上·浙江温州·期中
名校
解题方法
4 . 已知函数
.
(1)若函数
为偶函数,求
的值;
(2)若
,求函数
的单调递增区间;
(3)当
时,若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66727de73bdb89a3cce558372ca7301.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c989623de36d03965b327d2e49c31b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
2661次组卷
|
5卷引用:浙江省绍兴市诸暨中学2018-2019学年高一上学期10月月考数学试题(平行班)