1 . 已知函数
,
.
(1)当
时,求
的解集;
(2)求使
的
的取值范围;
(3)写出“函数
在
上的图象在
轴上方”的一个充分条件.(直接写出结论即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b14ddea7512b395c31028251c1d2323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)写出“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4cf16e39bff4aa2d482c90411d5ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2020-03-02更新
|
442次组卷
|
2卷引用:北京市大兴区2019-2020学年高二第一学期期中考试数学试题
名校
2 . 已知:关于x的不等式(mx-(m+1))(x-2)>0(m
R)的解集为集合P
(I)当m>0时,求集合P;
(II)若{
}
P,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
(I)当m>0时,求集合P;
(II)若{
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d469ee1e43f36c8702dff1e81a6ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980d8446f130dfc405c196109e73ea4.png)
您最近一年使用:0次
名校
3 . 已知:函数
,当x∈(-3,2)时,
>0,当x∈(-
,-3)
(2,+
)时,
<0
(I)求a,b的值;
(II)若不等式
的解集为R,求实数c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0fbaaa8391c60f8f7191268c752a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a27e72b96bc7af66c7472a9d7370e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a27e72b96bc7af66c7472a9d7370e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(I)求a,b的值;
(II)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa504a3525899b292b2b53aae50fcbe.png)
您最近一年使用:0次
2018-12-25更新
|
679次组卷
|
3卷引用:【全国百强校】北京四中2018-2019学年高二上学期期中考试数学试题