名校
1 . 函数
.
(1)解不等式
;
(2)若方程
有实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a4b34a7330e8db4ae317bc989ed7673.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12a5e29d43b85985da8dab9698b023e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-11-15更新
|
559次组卷
|
5卷引用:浙江省浙南名校联盟2019-2020学年高一上学期期中联考数学试题
2 . 已知
且
,命题
函数
在
上为减函数;命题
关于
的不等式
有实数解.
(Ⅰ)求命题
为真、命题
为真的
的取值范围;
(Ⅱ)如果
为真且
为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74088e31acd9bc94dc8bc34e616bef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347761783913374a6db9f9308c475c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57f8665c3c4f518346893b675add981.png)
(Ⅰ)求命题
![](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/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d9cd4fe4a885ac06831a7b8eb3dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ba9507faa6aaad768f19a0ebdad5a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 已知数列
是等比数列,且公比
.
(1)比较
与
的大小;
(2)解关于x的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411641715d7f5132c34f1d6eace8cd8b.png)
(1)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10cd820103c9f8594308ad036ee9d32c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225efc3455b00eee1267112dc52e45cb.png)
(2)解关于x的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372d51ae7f3feb5c9dcc1de7245c275d.png)
您最近一年使用:0次