已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752567a4edbeb7ec2bca41a42dcc4460.png)
.
(1)当
时,求不等式
的解集;
(2)若
对任意的实数
和任意非零实数
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752567a4edbeb7ec2bca41a42dcc4460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c8c4c2c1841dc214d272006a57d1d1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c51cff5cf4d3cb62b5a1de35f88d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2019-04-29 23:42:46
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(1)求不等式f(x)>5-|x+2|的解集;
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb98e3fc069452efd33465f492b8be.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940adbf54e96ecb2bb2637e5f976a3b0.png)
(2)存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3baa5d6729049cababe281291d5454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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较易
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名校
解题方法
【推荐1】已知函数
.
(1)求
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8930aedd140b266e58f4a07fac8961e7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559250e7a91f36fe7a8ec6ce6a1550f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a899483cdb60a81a5eb4f18e06c36358.png)
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036fd1de458f1b71cd921b4008e28733.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32dbf3d6fca7f835257b0928a52e1d1b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f40e0c11a870803c09cc07de525f569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518414aa80ff60aca3d3b388956a455.png)
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