已知函数
.
(1)求满足
的实数
的值;
(2)求
时函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14daaffaa0924af4975e642d682a964a.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1a4f3d0f4f608ea4e8481843d19429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f851f9849dfe2c3306d20d06f712069d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
19-20高一上·黑龙江哈尔滨·期中 查看更多[6]
黑龙江省哈尔滨市师范大学附中2019-2020学年高一上学期期中数学试题湖南省长沙市南雅中学2019-2020学年高一上学期12月月考数学试题河南省非凡吉创联盟2019-2020学年高一名校上学期12月调研数学试题广东省东莞市光明中学2020-2021学年高一下学期期初考试数学试题(已下线)第02讲 指数函数(考点讲解+分层训练)-2021-2022学年高一数学考点专项训练(人教A版2019必修第一册)四川省广安市广安第二中学校2019-2020学年高一上学期期中数学试题
更新时间:2021-03-06 23:52:27
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适中
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解题方法
【推荐1】已知函数
;
(1)求
的最小值及对应的
的值;
(2)若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e258c3f728e5c3503cfbde7fff9d4d9d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc4679a8360516b33a3cb9e86ab25b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d6d161e8eb824b07162c57528dac46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6544c32c90da1c9e5fcaab67cb740e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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适中
(0.65)
【推荐2】已知二次函数
满足
,
的两个零点的平方和为12,且
.
(1)求函数
的解析式;
(2)若在区间
上
的最小值为
,最大值为2,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce26f6327ca86342dd30d94bace2f7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb37d173605f006df4c51ba63b1841d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知函数
,
.
(1)当
时,求函数
的值城
(2)若关于
的方程
有两个不等根
,求
的值;
(3)是否存在实数
,使得对任意
,关于
的方程
在区间
上总有 3个不等根
,
,
,若存在,求出实数
与
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76e6299e98e6fdbe7fe3f9d46e08519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c68b5e5d935be4762fa35be0f29a9e9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e258c0598cc43a382cce8bab8260a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3f51410d969f9fb41a595a028a6f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb20586cda25e2255bf1aba5c6cf2c32.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b9a310e11a60356598d7abf9550c007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2fa47c66eb6fb98623d006cc61fb8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a2253c1a391344579ceeac505910c8c.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8477ed6c4d8c19638a0c21edb8a3d4d.png)
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【推荐3】已知定义在
上的函数
是偶函数,且
时,
.
(1)当
时,求
解析式;
(2)当
时,求
取值的集合;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c198d098ff56c4dec2bff29b1338596b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d9efca9dbcc57d98d166c0672bc24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次