已知二次函数
.
(1)当对称轴为
时,
(i)求实数a的值;
(ii)求f(x)在区间
上的值域.
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d1fd7ddb26de95a35c5f08a4c7fadf.png)
(1)当对称轴为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
(i)求实数a的值;
(ii)求f(x)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
更新时间:2022-01-14 14:10:58
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