1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e6cfdac158089d6601e3686454e323.png)
(1)求
,
的值;
(2)求满足
的实数a的值;
(3)求
的定义域和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e6cfdac158089d6601e3686454e323.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fef5f357f94e1e162cc47a99f9ab1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed1bc50240970b32455c43b79e5bac2.png)
(2)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16293233f3fe95690cc3ffa969f654bb.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
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2 . 定义运算:x
y=
,例如:3
4=3,(-2)
4=4,则函数f(x)=x2
(2x-x2)的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186b49207d64e73b4f02e4d7d4d4da8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
A.0 | B.1 |
C.2 | D.4 |
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