已知两数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a15d01bbcb9438b469de45ed768547c.png)
.
(1)求曲线
在点
处的切线方程;
(2)若函数
存在两个极值点
,
,求实数
的取值范围,并探索
,
,
三者之间的关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a15d01bbcb9438b469de45ed768547c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f160e06a8b4e037b3a3f886e1ee537.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408f769d0a980dc18f4f47dfced3a0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c50e5637e6546f88be2ce57fd503444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
2020高三·全国·专题练习 查看更多[1]
(已下线)专题20 函数与导数综合-2020年高考数学(文)母题题源解密(全国Ⅲ专版)
更新时间:2020-08-18 11:43:48
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
.
(1)若
,求
在
处的切线方程;
(2)讨论
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7391742ac948de1b5109c366fadaf4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d06e33d079ac1649ee5eea8f61de7cf.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)若
,求函数
图象在点
处的切线方程;
(2)若
,判定函数
在定义域上是否存在最大值或最小值,若存在,求出函数
最大值或最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e676fe110e08315a91ac8fa0488b90.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐3】已知函数
.
(I)求曲线
在点
处的切线方程;
(II)求
的单调区间和极值;
(III)直接写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301152c278563a3e7367ba3a90dbc32f.png)
(I)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(II)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(III)直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f363aa5e44da66c228bba2bfb32407b5.png)
您最近一年使用:0次
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适中
(0.65)
【推荐1】已知函数
.
(1)若
在
处有极大值,求
的值;
(2)若
在
存在单调递减区间,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67232da27812d77cebeb72eb1371805e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084dd17d11cc689331c6558dc0cdf5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐2】已知函数
,
.
(1)求函数
的单调区间;
(2)若函数
在
处取得极值,对
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7c869e07e1e03442a75026f4fc8541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d41d398944a02f613784ff1ceeaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56afe64290dd2888e1cf5b2bb8b5b5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解答题-问答题
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适中
(0.65)
【推荐3】已知函数在
处取得极值.
(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)
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