1 . 已知
,且
(-2)= 10,则
(2)=________ .
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177137152/STEM/c54bcc6b200649a59be6f88723bb0c6a.png?resizew=164)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177137152/STEM/25aeec0feef546769402dd73c51cf543.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177137152/STEM/25aeec0feef546769402dd73c51cf543.png?resizew=16)
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2 . 已知定义域为
的奇函数
,当
时,
.
(1)求函数
在
上的解析式;
(2)解方程
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177186304/STEM/043e7db8f33f41988f21ae4dd61cc333.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177186304/STEM/97225087df624edf9f2989aded57859a.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177186304/STEM/5ee0ea03023a4434864e1a65b8954e74.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177186304/STEM/043e7db8f33f41988f21ae4dd61cc333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)解方程
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177186304/STEM/597a660e55914cfd83d53bc98dc1bef7.png)
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3 .
是定义在
上的偶函数,且
,则下列各式一定成立的是
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944739479552/1571944744648704/STEM/585161d6a4ae4777af34cda4e9e11b6f.png)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944739479552/1571944744648704/STEM/cf2f7a0e1afc4146a02ee660508a4ba5.png)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944739479552/1571944744648704/STEM/5b7dd953fb91418dafc32310210697f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2010·四川成都·一模
4 . 定义在R上的偶函数f(x-2),当x>-2时,f(x)=ex+1-2(e为自然对数的底数),若存在k∈Z,使方程f(x)=0的实数根x0∈(k-1,k),则k的取值集合是
3.
3.
A.{0} | B.(-3) | C.{-4,0} | D.{-3,0} |
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