![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54106589d4967095bfd412963f74595.png)
A.极大值![]() | B.极大值6,极小值3 |
C.极大值6,极小值![]() | D.极大值![]() ![]() |
【知识点】 利用导数研究函数的极值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6cd5f9f48226ce1db5b96b75bc40f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 根据极值求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a8c377f111a3e504bceb29effc1037.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 根据极值求参数 由导数求函数的最值(不含参) 利用导数研究方程的根
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7325d2b5f25f64ada66dd8d191fe8b.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
【知识点】 函数极值点的辨析
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad01670cb86d9c56d908174156a1d712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62e4be28129d1bb0ccd627741d0d493.png)
A.![]() |
B.![]() ![]() |
C.![]() |
D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8722966977962d046b387714cd82b05c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/30/272c431f-a37b-4ab2-972c-2478705a2471.png?resizew=151)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.![]() |
D.![]() |
【知识点】 函数与导函数图象之间的关系 函数(导函数)图象与极值的关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807d22dda15931b302d11889fe95a101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b6c58f9bcbbcf99ba037e3bd4497a.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59cc83fed2741f53afcaea241151c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
【知识点】 根据极值求参数 利用导数研究函数的零点 利用导数研究方程的根
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf41f92735138fecf2ccbfb6edf9692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 根据极值点求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721141740f803a210654bfeaa22ce9bc.png)
【知识点】 根据极值点求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624df0c3cefd83092da49df2dbf06f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 根据极值求参数
(1)求f(x)的单调区间;(2)求f(x)的极值.
【知识点】 求已知函数的极值 含参分类讨论求函数的单调区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d1891aa5d22faad1198b8bd037a8ee.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
【知识点】 利用导数求函数的单调区间(不含参) 根据极值点求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c1e6d74adff7f318dc7dfb3a122bca.png)
(I)当a=2时,求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c959ab293ef3ecbba70b635da3e2a8.png)
(II)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c140c537245794eb60e3cd0c4853ead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)