1 . 已知函数
.
(1)证明:函数
有且只有两个不同的零点;
(2)已知
,设函数
的两个零点为
,试判断下列四个命题的真假,并说明理由:
①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edca4db207f4b253d6e9c780e557642f.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf910f82c3094b267a3d481d23d829f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3b114eb69ad77a0495468af7bb41b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885c20eafab97db145af40138279adbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2095119185f0410bb10cae34f14243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4a11440f9199546f719432280176f2.png)
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名校
2 . 已知
,命题p:关于x的方程
在
有两个不相等的实数根;命题q:函数
的定义域为R.
(1)若命题p为真,求实数m的取值范围;
(2)若命题p与命题q恰有一个为真,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73b77fd5f10d686ab02e6a85fdae23f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ac6c7da980cafa6182a12d99b706d8.png)
(1)若命题p为真,求实数m的取值范围;
(2)若命题p与命题q恰有一个为真,求实数m的取值范围.
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解题方法
3 . 已知命题
实数x满足
,命题q:实数x满足
.
(1)若命题p为假命题,求实数x的取值范围
(2)若命题q是命题p的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9143a9855c1733857f8ec13a84f4734e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6c3d308287096898e2527dc98ac3f2.png)
(1)若命题p为假命题,求实数x的取值范围
(2)若命题q是命题p的必要不充分条件,求实数m的取值范围.
您最近一年使用:0次
2023-12-20更新
|
300次组卷
|
4卷引用:江苏省无锡市锡东高级中学2023-2024学年高一上学期期中数学试题
名校
解题方法
4 . 设
:实数
满足
:实数
满足
.
(1)若
,且
均为真命题,求实数
的取值范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3f70eff33a154f7dd0d5359a8eec2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f48778a6cd4d76643d24fd928b43603.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-06更新
|
188次组卷
|
2卷引用:江苏省连云港市灌云高级中学、灌南惠泽高级中学2023-2024学年高一上学期期中调研数学试卷
名校
解题方法
5 . 在平面直角坐标系
中,设命题
直线
与
平行;命题
:圆
与圆
相交.若命题
、命题
中有且只有一个为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def41f8ff1eda9af4f35b51e974a8737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63aa2a1730fc93753f1b3c04ca30f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c0cb5a01d38928e849ce9469176a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
6 . 已知命题
:关于
的方程
有实数根,命题
.
(1)若命题
是真命题,求实数
的取值范围;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b4d047690d81689edcb33abfae1c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2223836073dcc3c0370e8e0f935178.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知命题
,命题
.
(1)当命题
为假命题时,求实数
的取值范围;
(2)若命题
和
中有且仅有一个是假命题,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25497e29e04522b74963d0ea37e5a0b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c57f62ade74f3d98119e04bbe4be18b.png)
(1)当命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若命题
![](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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解题方法
8 . 已知命题
函数
的两个零点均在
上,命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
.
(1)若
是真命题,求实数
的取值范围;
(2)若
是
的必要且不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e24bc3aee198e294581d6d20e9df00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6671fc4307ba5298796a291f52abb295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d91a4cb39340da2782625a9eed8e20.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/0a6936d370d6a238a608ca56f87198de.png)
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9 . (1)已知命题:方程
有解,是真命题,求a,b满足的条件.
(2)已知命题:若
,则
是假命题,求a满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8688f2c7401d1133d21cf225c99f69.png)
(2)已知命题:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65cee351c7053fc8f689c4f7cc7a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa6de0212891ad8a488fbe1d2ba6479.png)
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解题方法
10 . 已知命题
函数
的定义域为
,命题
对任意实数
是增函数;
(1)若
是
的充分不必要条件,求
的取值范围;
(2)当
时,若p,q两命题一真一假,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5549126427ebacede6a0b125b49a619a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94336f96d0c3f0077c2e128268b5cbc.png)
(1)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/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
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