已知函数
.
(1)求函数
的单调区间;
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf0ab80be0b7a5ba7b0e0d8e07f402b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb173fd8217a3506870dd1dac220010.png)
更新时间:2023-05-05 15:43:36
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解题方法
【推荐1】求下列函数的单调区间:
(1)f(x)=
x2-lnx;
(2)f(x)=x+
(b>0).
(1)f(x)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)f(x)=x+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1b2ffec559e3fb1ba4dc6647b6a916.png)
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【推荐2】已知函数
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd026d40de3a12de9c97fe08c2996a0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebb3b7f47e0decd48e64cb32aaa5903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解答题-问答题
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【推荐3】已知函数
.
(Ⅰ)求曲线
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(Ⅱ)试判断函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567717f62f115ce48c64c1c93b331a26.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
(Ⅱ)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e3f10c0df2a5b4b22e42d0a4a00aab.png)
(1)求
的最小值;
(2)若
,讨论
在区间
上的单调性;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e3f10c0df2a5b4b22e42d0a4a00aab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e16e41431920b77ab663cd82525193.png)
您最近一年使用:0次
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较易
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解题方法
【推荐2】已知函数
(
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7af2e9f6cc871fd77eeaf539462765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a66ee29a06caf509e137278020fd86f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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