![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e728e96e2fec13ee1c9354a8086027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.[3,+∞) | B.[-3,+∞) |
C.(-3,+∞) | D.(-∞,-3) |
【知识点】 由函数在区间上的单调性求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933f713b57af2da48b2505e6fff2b259.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
A.(0,+∞) | B.(-∞,-1) | C.(-1,1) | D.(1,+∞) |
【知识点】 利用导数求函数的单调区间(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6568d8dfaad13ca7f93485930313b74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.(0,3) | D.![]() |
【知识点】 利用导数求函数的单调区间(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fd6fcd3e83e25540a7f38d2c034fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 利用导数研究函数的单调性 由函数的单调区间求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcefe4226775a51423e4447956ad2347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
A.[1,+∞) | B.[0,![]() |
C.[0,1] | D.[1,![]() |
【知识点】 利用导数求函数的单调区间(不含参)
![](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/05666d94e091ce20c1072a1e853f4ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1aafd0cd90e7856184c65f4a2211d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e85f9d46ac19139f429b7ba7d0e867.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 用导数判断或证明已知函数的单调性 根据函数的单调性解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ca6b858973340e7c9557f84eb05120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由函数在区间上的单调性求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d95dc28326d87339d58dca13352963d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df8c889935e9584e8e783183e3f92e2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 用导数判断或证明已知函数的单调性
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3bd6564f39bc33d401330d9252c44b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bc0255a0b8ffd81f29bb69709a2687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由函数在区间上的单调性求参数
【知识点】 利用导数求函数的单调区间(不含参) 正弦函数图象的应用解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f99b46b521d578c5542475285f18185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 由函数在区间上的单调性求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f69352cbb32cedf831f4fcc5c7ea5583.png)
【知识点】 利用导数求函数的单调区间(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7cfe62faf3efc3965e17d271930a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4a226feca9d9095b0f68191245ed22.png)
【知识点】 由函数在区间上的单调性求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0edc7e7a8e5186066dc37aaed0bef6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 由函数在区间上的单调性求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea57ced77001cc249e04c73239d05095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a824c523e1a557497828848e0772732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3bff560d49f6d714ea3a01be5bd5f13.png)
【知识点】 利用导数研究函数的单调性
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d5671fd370d9059dadd43f82d1606.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5a02983315012227085c59744aa621.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f13c9930aa04c8c514eedc97f9f7afa.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67bbceac9c742eef1c7e79a681e570b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 已知切线(斜率)求参数 由函数在区间上的单调性求参数