已知函数
.
(1)求函数
的最大值及取得最大值时
的值.
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f84621cdffa19180500dcc9c535c21.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5013fffdf661a88758299e414f366472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edae5e3d96057ca5cb2da3b48f1ca17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff0e5c78c04beea4e773185195da30.png)
更新时间:2019-01-14 18:11:18
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【推荐1】已知函数
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【推荐2】已知函数
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【推荐3】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd12996c1ba5de97286e5bb2dc1e90f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0cb9876cece45c97ee1aec0714682f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2101c131552fbebd79c820d7a2ffe371.png)
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【推荐2】设函数
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(1)在给定的平面直角坐标系中,用“五点法”画出函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc7dcce7d1b1d24c6dc00393bb5c461.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80c4dc6281e3ed122c0a771c1731529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb31ad87278a4c1f194b073bee4daf0.png)
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