已知函数
,
(1)若
的单调减区间为(-3,-1),求
的值;
(2)若
在(0,2
)上有两个零点,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572245653495808/1572245659688960/STEM/74cf4d01471149b587fabf2e0dbeefca.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572245653495808/1572245659688960/STEM/6228cacbf679480c98b2168c2d9b2a9a.png)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572245653495808/1572245659688960/STEM/2ebfa559978247a085923fa6ee188ffa.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572245653495808/1572245659688960/STEM/6228cacbf679480c98b2168c2d9b2a9a.png)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572245653495808/1572245659688960/STEM/2ebfa559978247a085923fa6ee188ffa.png)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572245653495808/1572245659688960/STEM/9763b176d4034a0aadce8d29ff1b9036.png)
更新时间:2016-12-03 18:04:53
|
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解答题-作图题
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适中
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名校
【推荐1】已知函数
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(1)求出函数
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(2)若函数
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【推荐2】将函数
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解题方法
【推荐1】已知函数
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(1)当
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适中
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【推荐2】已知函数
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