名校
解题方法
1 . 已知
是偶函数,
时,
(符号
表示不超过
的最大整数),若关于
的方程
恰有三个不相等的实根,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602c6c52cae281dc7dad9bc7cc07d6bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8669edc0a0a37e41555632a13a51e1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
2 . 偶函数
满足
,且在
时,
,若直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816d1f63b737faba12ab856d7e5dc885.png)
与函数
的图象有且仅有三个交点,则k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3387911071db61772661dc6237bbfa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84c5adeb3bce246ebbe10df3ee61d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60714a5798581dc48f4f759fee335f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816d1f63b737faba12ab856d7e5dc885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dce8b1c2ea5230fb9405fa6a064531e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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13-14高三上·浙江金华·阶段练习
解题方法
3 . 定义在R上的函数
是增函数,且函数
的图像关于(3,0)成中心对称,若
满足不等式
,当
时,则
的取值范围为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de60db0cfac7ed56adb76463be23007a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c616c85cac27a0421759afeb388d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccce417a4255dc4f147c0beee655b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62764aa9bdcaefd8477d416f0182bd01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e978bd1e3872748322f7eaf215a7803f.png)
您最近一年使用:0次
10-11高三·浙江温州·阶段练习
解题方法
4 . 设
是连续的偶函数,且当
时
是单调函数,则满足
的所有
之和为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35fb6b735bb3621995d29a7ef8f5698c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次