解题方法
1 . 设命题
函数
的定义域为
;命题
不等式
在
上恒成立.
(1)若命题
均为真命题,求实数
的取值范围;
(2)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/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9d48ea9cb80d729e5d0d76f171a9ea.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/c655333b65b7ee7f9bb9e0c90c8a4696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70792aeffca5b422d35d9c06f36d1fdb.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题“
![](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)
您最近一年使用:0次
2021-03-22更新
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197次组卷
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2卷引用:四川省成都市蓉城名校联盟2020~2021学年下学期入学联考高二文科数学试题