1 . 已知p:“直线x+y-m=0与圆(x-1)2+y2=1相交”;q:“mx2-x+m-4=0有一正根和一负根”.若p∨q为真,非p为真,求m的取值范围.
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2 . 已知
且
,设命题
函数
在R上单调递减,命题
对任意实数x,不等式
恒成立.
(1)求非q为真时,实数c的取值范围;
(2)如果命题
为真命题,且
为假命题,求实数c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f940e491269e04ab4680ee10714ba88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb6833f8fb83c7e7db658ad4e541392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b87e6c548bae1ed229839f1cddde3d.png)
(1)求非q为真时,实数c的取值范围;
(2)如果命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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2020-03-14更新
|
204次组卷
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2卷引用:安徽省合肥市肥东县第二中学2019-2020学年高二上学期期末数学(文)试题
3 . 已知p:实数x满足不等式
,q:实数x满足不等式
.
(1)当
时,
为真命题,求实数x的取值范围;
(2)若p是
的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d68a250b35b78ce7dfed3a305bd37ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baebbad2948411b0c1cdf48f33cfed1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
(2)若p是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
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2020-02-27更新
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238次组卷
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2卷引用:安徽省安庆市2019-2020学年高二上学期期末数学(理)试题
4 . 已知命题
:方程
表示双曲线;命题
:
,不等式
恒成立.
(1)若“
”是真命题,求实数
的取值范围.
(2)若“
”为假命题,“
”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/0ccde3c1ba9ea53b773a8a5e614b4d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed98d1b20bf77377c1374a3de92f7a.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 已知命题
在区间
上是减函数,命题
不等式
的解集为
,若命题“
”为真,“
”为假,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499e395fb407ff380f41657dca32af24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49770b8b59afc8c9a2f58b08f06caf0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-02-21更新
|
290次组卷
|
4卷引用:安徽省安庆市第一中学2019-2020学年高二上学期期末数学(文)试题
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解题方法
6 . 已知命题
:“方程:
对应的曲线是圆”,命题
:“方程:
对应的曲线是双曲线”.若这两个命题中有且只有一个是真命题,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad6712740841ca8f27c076ee5f8f296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b03b43ac9664b020e0cf8b3cba2be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 若“
或
或
”是假命题,则
的范围是_______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309943bf7f9aa14e0425d4313150177b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52493d0d1738ce61b34976f7531d2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cdbf4bef583116fc1cf3ce0ee09f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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8 . 已知p:函数
在
内是单调递减函数;q:函数
有3个不同的零点.
(1)若q为真,求实数a的取值范围;
(2)若p或q为真,p且q为假,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a1ae929b67f4a33efae69bddbb3ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3588b21dda689b153355e93fbf6d42a.png)
(1)若q为真,求实数a的取值范围;
(2)若p或q为真,p且q为假,求实数a的取值范围.
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9 . 已知
函数
在
上单调递增,
函数
在
上存在单调递减区间.
(1)若“
”为真,求实数
的取值范围;
(2)若“
”为真,“
”为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc43eaefeaa6ad55d23da40913aced7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d9e5ec35f1d5221bda73f88d018af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)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)
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10 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57caaf4417c5600ac7f8bdcfff11f30c.png)
.
(1)若
且
为真,求实数
的取值范围;
(2)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/57caaf4417c5600ac7f8bdcfff11f30c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc74000932d10f3a3ea299c18881304c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7539b2dfd9fb4ead66a1bbbcb08a130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-01-23更新
|
752次组卷
|
6卷引用:安徽省马鞍山市第二中学2020-2021学年高二上学期期末理科数学试题