1 . 已知函数
,命题
:
,
,若
为真命题,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6820e9951a19827d2e679d2e6d9c42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c7a319f1fb9ef4cd6bd9eb5ab0c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36825543013336c9df727bc51ff62c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
2 . 已知命题
直线
经过第二、三、四象限,命题
:方程
表示双曲线,若
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/866fc233107d5c7651e3e1c0730257e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90584d6c6cce351091656040ebb39209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-12-14更新
|
535次组卷
|
3卷引用:重庆市云阳江口中学校2020-2021学年高二上学期第三次月考数学试题
3 . 设
,命题
“方程
有实数根”,命题
“对任意实数
恒成立”.
(1)若q为真命题,求t的最大值;
(2)若
为真命题,
为假命题,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacd88aa243b540b0cdc00ad3167623f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96273188faf96e64c393990d9b03ba04.png)
(1)若q为真命题,求t的最大值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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4 . 已知命题
:直线
与直线
之间的距离不大于1,命题
:对于任意
,总有
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514fdbb5bb097926b912d672a95fdf70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ca99deecb6fa45ddc7e9a6a91dbfb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a0f5690de8297547fdb1c542960a2c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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5 . 已知命题
:
的定义域为
,命题
:方程
表示焦点在
轴上的双曲线,若
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e742f80a34be96cb764d9d30fab380e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7332ebfa1fae94c177d41454326f818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-12-11更新
|
490次组卷
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2卷引用:河南省许昌高级中学2020-2021学年第一学期第二次调研考试高二数学文科试题
名校
6 . 命题
,
,命题
,使得
成立.
(1)若
为真,
为假,求实数
的取值范围.
(2)已知
,若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a133fa8172d41c70c25d623f3dddd15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4510aefa5be5ab1e8990a696fbe04400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6589acdbaf1f6e7bc92054fb8f608d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695cc1aa4f0734b5d7bca1d3f0dcaef4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243d7a41117351bfa38d5f1f43be4f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-12-11更新
|
1025次组卷
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6卷引用:四川省成都市武侯区第十二中学2020-2021学年高二上学期期中数学理科试题
名校
7 . 已知命题
,命题
,若命题
为真命题,命题
为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9acba8ee6b81f2e8f3c903d6800a1e70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad07b31abc99970391b2b068718fae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2020-12-10更新
|
44次组卷
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2卷引用:福建省连城县第一中学2020-2021学年高二上学期第二次月考数学试题
名校
解题方法
8 . 已知
:
,
,
:
,
,且
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3caaf276e1672380736c28771bae80cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0335e931b3454eeae4b991b40bf6d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-12-08更新
|
191次组卷
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5卷引用:河南省郑州市重点高中2020-2021学年高二上学期阶段性测试(二)(12月)数学(理)试题
9 . 已知
:
,
,
:方程
表示焦点在
轴上的椭圆.若“
”为真,“
”为真,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f21ab993bee7dde7ed4309b5c23dfcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a545a54be95e97bf8461889d8c810eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-12-08更新
|
256次组卷
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2卷引用:河南省重点高中2020-2021学年第一学期高二阶段性测试(二)(12月)文科数学试题
名校
10 . 已知p:方程
所表示的曲线为焦点在y轴上的椭圆;q:
,
.若
为真命题,
为假命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9993428ee46c035483f3009a67c0dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1724fcc66ed8c39c7516469e42b0c789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f25e24cd4635bfe4eb3d8d1ad29bb68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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