已知函数
.
(1)判断函数
的奇偶性与单调性,并证明﹔
(2)若方程
在
上的解集非空,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5b51ad42d0e7ba9a4b42c9ef37ce94.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f5cdaa49ac741e8ba864077c0fea49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2020-12-21 10:15:55
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【推荐1】已知(双勾函数)
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适中
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解题方法
【推荐2】已知
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(1)求函数
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(3)关于
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【推荐2】已知函数
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