解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9985ad1358d0fddcb8bfc99deb95bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2480704c63d5f683fb03562d2899e22.png)
更新时间:2017-12-05 11:02:32
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【知识点】 对数函数最值与不等式的综合问题
相似题推荐
解答题-问答题
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适中
(0.65)
名校
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60988f95004b31f784e53dc78a9a3fbb.png)
(1)讨论函数
的定义域;
(2)当
时,解关于x的不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a3ad96dd6960e1233e5874d67ab668.png)
(3)当
时,不等式
对任意实数
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60988f95004b31f784e53dc78a9a3fbb.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a3ad96dd6960e1233e5874d67ab668.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805130677f4e7ef19960218244e120a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
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解答题-证明题
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适中
(0.65)
名校
【推荐2】设
为奇函数,
为常数.
(1)求证:
是
上的增函数;
(2)若对于区间
上的每一个
值,不等式
恒成立,求实数
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8eb8ea05de616e19a06bb0e94f85261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
(2)若对于区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c7061aa486ece79a3432c2c6de9095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次