1 . 已知全集
,集合
,集合
,求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95abb292ffa64965a3f672f85648e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67648236d6b113e35e53d410e1efb1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd56fe4ef04cbb609c5166e74dc9918.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
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2 . 已知幂函数
的图象过点
,则![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903571456/STEM/274ca54759b340daa48df4d21f973cdf.png?resizew=48)
__________ .
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903571456/STEM/52a000a6d4e74306b42375af0f0a90b8.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903571456/STEM/b817eabcc6444ea3a757c54bcb241a87.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903571456/STEM/274ca54759b340daa48df4d21f973cdf.png?resizew=48)
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3 . 函数
的零点在区间内.
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903407616/STEM/36115d15cc8e44f1acb9d5842c98b5df.png)
A.(1,2) | B.(2,3) | C.(3,4) | D.(4,5) |
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4 . 设
取实数,则
与
表示同一个函数的是
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903383040/STEM/e34248a855f14e7e8f546e4b0f84f768.png)
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903383040/STEM/1c7f134d47a648b8a5dcf036df576dd4.png)
![](https://img.xkw.com/dksih/QBM/2016/12/11/1579116903251968/1579116903383040/STEM/85549de94c814a35beb658fea5ce2e7d.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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