![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
A.在定义域上为增函数 | B.在定义域上为减函数 |
C.在定义域上有最小值,没有最大值 | D.在定义域上有最大值,没有最小值 |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba77a5deadc04bce0d2a95657a0c1923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d047b1683b339b66921db610468af949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2593dc3ebe44e61764449741d1698a5.png)
A.5,-15 | B.5,-4 | C.-4,-15 | D.5,-16 |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b348c05d46791268097f41866482b370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19130ab26685fff62362378e6c5c3c6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 由导数求函数的最值(不含参)
A.(﹣∞,0),1 | B.(﹣∞,0),0 | C.(0,+∞),1 | D.(0,+∞),0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b0a1d7b5dd823387363e035d3b7ad1.png)
![](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/b12a8c9f6fde68a99710e0735d5e0f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca243a8bcb7970ec91252b4afce78e0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba992f60f24d1cefec9e7da7dd900163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc105ca9b577bd64a31ada54f39a556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6bd7fc1b2c8c0ec411e668ce473966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536c814ff607251ba6f53f683fa5f80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a074d49db13769756dd6f2796b8b31a.png)
A.有最大值没有最小值 | B.有最小值没有最大值 |
C.既有最大值也有最小值 | D.既无最大值也无最小值 |
【知识点】 由导数求函数的最值(含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d70266454df40256268b19b055a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf6c6ea03d96f8d3f93ba2f74b2f750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b90ac76e99c6d29204f2c4c9ac9838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958306790ddaacfbd3f6418582af8882.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 已知函数最值求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9f952c76380f38886884f310b2a71c.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 利用导数研究不等式恒成立问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b94fb6d341117216cb0a2425b88449e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f180718c0b7b3de58a11c9b8b70621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427808a76b3a1a6705a17fedba8f7aed.png)
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c57d8a11efaaaf4d4a353fe1c7d3f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7f47444494610c73014b9e9b41c994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
【知识点】 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a26bf46bc53d18b0d55d394c1c4dd30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d376ad61d41b7017a9fdfcb59a7bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b34483263bd4c7f435970df6126dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
【知识点】 根据函数的最值求参数 函数单调性、极值与最值的综合应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7addb84da40ed7473718c722434d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06f45220c23094a3d9ef53b54b89d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
【知识点】 根据极值求参数 由导数求函数的最值(不含参)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f65c92794274fc3a2b550e1daac474f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1c9a9f8b65e75183e7f3e786372736.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a20457d180264f78d611dc7893d735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d45e9bb438a011f890a8827795aad3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef5fc9b8f75e57900ab29c468ae799f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aacd5e113fc74888e7b2a50a9694fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fd53fb8780a2bd9e451a92c7c92d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
【知识点】 指数函数最值与不等式的综合问题 已知函数最值求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/416b7d2b4f096597381e095597f3c4bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811c6fbc93bafee69ded75316ef05122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0268e85df43d66b031e0eccb11284452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)