已知函数
在区间
上的最大值为10.
求a的值及
的解析式;
设
,若不等式
在
上有解,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d57cba1c031b55da9f48870d96870c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceb3db3cb58b32c2aa8141adb5d1a0ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8953f1f9980a13d21dbacd5da62480f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee964455d4bfce0dcfdea2109fe74d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24a4a3cdbe7027091c8502303420963.png)
更新时间:2019-03-31 18:26:23
|
相似题推荐
解答题-问答题
|
较难
(0.4)
名校
【推荐1】已知函数
.
(1)若
在
处的切线与
轴平行,求
的值;
(2)
有两个极值点
,比较
与
的大小;
(3)若
在
上的最大值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eaeb53a3b2e25b000df5361fae76a28.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db8805cda07838d256165991623acca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cb4f458128ee80997a0f32209529d3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b312dd9c008c7cb201f7b59696d571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
【推荐2】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaa8cdbf7b3d4cd193f6889c5552bb6.png)
(1)
时,求
在
处的切线方程;
(2)若
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaa8cdbf7b3d4cd193f6889c5552bb6.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
【推荐1】已知函数
,
.
(1)若
在区间
上恒成立,求a的取值范围.
(2)对任意
,总存在唯一的
,使得
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2da713cde9b71c57e71e6042eab55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f607c24b19f9002b18f9818d8f429.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d52ed03b99d52d71849c663c4e0c864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a99f5dd1bba94c164fb01e0df7c86e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453eb2a2e4bf12a7de2dbb339addd711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
解题方法
【推荐2】已知函数
.
(1)如果关于x的不等式
在
恒成立,求实数a的取值范围;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129e6375db5601c76572401c849fd5f2.png)
(1)如果关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c42894f0db02796a353eb18a9595d77.png)
您最近一年使用:0次
解答题
|
较难
(0.4)
【推荐3】已知函数
(
)
(1)讨论
的单调性;
(2)设
,若
有两个极值点
,且不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51ec4337800da74d3eea55a1d6aa157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94eb0d8cfcd7d2a482a01f0563ed1af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb443dd9098af228164b0ceb97893f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次