1 . 已知函数
,曲线
在点
,
(1)
处的切线方程为
.
(1)求函数
的解析式,并证明:
.
(2)已知
,且函数
与函数
的图象交于
,
,
,
两点,且线段
的中点为
,
,证明:
(1)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7471c6cd8a297e0a5005331037e24c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a63c52ed4d74feca1248b68657cdb4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28c0c0b1d8a4aba3693a95caf42d41b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec1718debe1c497bd0223cd6d5e668e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a54e0b4872cabdc0b07ea9380e4de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a350eb41c3b7e4face9c3299eff9d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8e72f73db207c3040f143d837d5995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24529eadaef974ec0625f8ca40682e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2c44bd75911eb48101f4d63fa2ca5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb554264d6838229cf2920a9bd99cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b0352e8a9e8d9b8c547c7a11cddf6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71351fd32b9c3832ea85a05000cd0319.png)
您最近一年使用:0次
2020-06-23更新
|
3202次组卷
|
9卷引用:湖北省金字三角2019-2020学年高三下学期3月线上联考理科数学试题
湖北省金字三角2019-2020学年高三下学期3月线上联考理科数学试题湖北省金字三角2020届高三下学期高考模拟理科数学试题湖南省益阳市桃江县第一中学2019届高三5月模拟考试理科数学试题2020届山东省临沂市临沭县高三上学期期末数学试题(已下线)专题05 函数与不等式相结合(第六篇)-备战2020年高考数学大题精做之解答题题型全覆盖辽宁省抚顺市第一中学2020届高三第二次模拟考试数学(理科)试题(已下线)第10讲 双变量不等式:中点型-突破2022年新高考数学导数压轴解答题精选精练(已下线)2022年高考考前20天终极冲刺攻略(一)【理科数学】(5月20日)(已下线)专题9:双变量问题
解题方法
2 . 设
,已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da13c228338acd80f074e9815f335683.png)
(1)讨论函数
的单调性;
(2)设函数
在点
处的切线互相平行,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafdd0b044b8c1cbb0d81661b72861da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da13c228338acd80f074e9815f335683.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4314bdaa5916e716294ccf139f1d52ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f7e3ccc9da69a3a992cf65f901855e.png)
您最近一年使用:0次
2020-06-21更新
|
3372次组卷
|
3卷引用:湖北省襄阳五中、夷陵中学、钟祥一中三校2020届高三下学期6月高考适应性考试文科数学试题
湖北省襄阳五中、夷陵中学、钟祥一中三校2020届高三下学期6月高考适应性考试文科数学试题湖北省黄冈市麻城市实验高级中学2020届高三下学期第五次模拟文科数学试题(已下线)极值点偏移专题08极值点偏移的终极套路
解题方法
3 . 已知函数
,函数
的图象在点
处的切线方程为
.
(1)求函数
的表达式;
(2)若
,且
在
上的最小值为
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3dba99d797fb510cf97a69de003911b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604f25e23489409386a06039adcaa151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cf0f8829ad6ed064ba129545b2d3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d2f7cf8b2952f5de03a32af45831cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46952263349c0bff2725caeeb0b5f6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
您最近一年使用:0次
解题方法
4 . 已知函数
,
.
(1)证明:不等式
在
恒成立;
(2)证明:
在
存在两个极值点,
附:
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffd90dc54d8a170a22dad2e9c22492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9158722109621017a801da939a8ee90.png)
(1)证明:不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72480c8fae3dc057229a7958e9daed74.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f34623ddc28d41286c79904ec702a94.png)
附:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5626e8e8e02bfa5f168b9cc2e62058ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e39045f117c56472509ae0e68a495c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cc5cbcd99238de15401a6da4e6b57.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379a7409f958225f03db11f79cb5be07.png)
(1)求函数
在
上的值域;
(2)若对于任意
,证明:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379a7409f958225f03db11f79cb5be07.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c07ab81182fc62b27e7a27ebf05990.png)
您最近一年使用:0次
6 . 已知函数
.
(1)若
,求过点
且与
相切的直线方程;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1889c76ec373ee7b2f0c7906aeccdabb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfb23a9e07213cb76990dbedfc7feca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae8fef3eb25418ae61bb1a93731932c.png)
您最近一年使用:0次
解题方法
7 . 已知
,
.
(1)若
恒成立.求
的最大值
;
(2)若
,取(1)中的
,当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9183d4fdcc651e0ba149533ea62c408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f7dcce39f3d4dc6b7faf84dc1d0a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37134cb30c4f08068bfb55cd34562e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f7dcce39f3d4dc6b7faf84dc1d0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a302eda25ef93bbdb2d2b7e57083cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566900e7f284aacd16fee5d5519f27ee.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,
.
(1)当
时,求函数
在
处的切线方程;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1350bce85cccb871a32febf353d8dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c4b56eb634875683268749776e1a81.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4d3681dc6f3730b50e99f6cf7c4b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f103cd9f952006568ce94a7513f3b272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a06acf17d7c28fa264c03224226951b.png)
您最近一年使用:0次
9 . 已知函数
,
.
(1)讨论函数
的单调性;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a791179c8e1d161421f39f89e4433b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eee46116daea8878291d0de66f91d5c.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2802c276e9b93d68ae8cca6b201e05f8.png)
您最近一年使用:0次
名校
10 . 函数
,
.
(1)设
是函数
的导函数,求
的单调区间;
(2)证明:当
时,
在区间
上有极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec9f60a9d8151ce9b21d5a82a0654fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d502d9d892310a0d19dd1dd1675991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d502d9d892310a0d19dd1dd1675991.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83cca25b7c968abc7285491cba7144d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09fd7520e2d6cdc0d63d4a293920420.png)
您最近一年使用:0次