1 . 命题
:函数
的两个零点分别在区间
和
上;命题
:函数
有极值.若命题
,
为真命题的实数
的取值集合分别记为
,
.
(1)求集合
,
;
(2)若命题“
且
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6a3a4fa3927ad650aa860e2425eecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1a9ab0658efe2f802139e91ea5f4c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-04-25更新
|
197次组卷
|
2卷引用:江苏省南通市启东市2018-2019学年高二下学期期末数学(Ⅱ)试题
2 . 已知命题p:
,
,q:
,
,则在命题
;
;
;
中,真命题的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511a12f75b3a170b54366d51caf098b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff508dbffa62a8277244621072baf81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df882a757ebc04ffdb3437cb281bbb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e60a03a4fe871fcd3a77438fbfdbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f715171f2d195932394d794f27dc516e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00e667135c6a91b6b00dc5662aca01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cccdad1514aeb0e68ff2749c7520e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e99f94596210804cb730f6e2c7f61ee.png)
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3 . 设命题p:实数x满足x2-4ax+3a2<0,其中a>0,命题q:实数x满足![](https://img.xkw.com/dksih/QBM/2016/2/16/1572482591072256/1572482596618240/STEM/863b6123fdab48b690ca46589fbdd9b9.png)
(1)若a=1,且p∧q为真,求实数x的取值范围;
(2)若p是q的必要不充分条件,求实数a的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/2/16/1572482591072256/1572482596618240/STEM/863b6123fdab48b690ca46589fbdd9b9.png)
(1)若a=1,且p∧q为真,求实数x的取值范围;
(2)若p是q的必要不充分条件,求实数a的取值范围.
您最近一年使用:0次
4 . 命题
,命题
,则“
或
”是__________ 命题.(填“真”、“假”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e51a04253b1ffcfb701ed3e34d4b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ee0603e31015d730b228d24a0ce4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
5 . 已知命题
函数
是
上的奇函数,命题
函数
的定义域和值域都是
,其中
.
(1)若命题
为真命题,求实数
的值;
(2)若“
且
”为假命题,“
或
”为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a0e5d455ff697ab638f9cfe8ea932c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bed6b76465611075541d83e4378fac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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6 . 已知:命题p:∀x∈R,x2+ax+1≥0,命题q:∃x∈[﹣2,0],x2﹣x+a=0,若命题p与命题q一真一假,求实数a的取值范围.
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