12-13高三上·河北衡水·阶段练习
1 . 设函数
(
),
.
(1) 将函数
图象向右平移一个单位即可得到函数
的图象,试写出
的解析式及值域;
(2) 关于
的不等式
的解集中的整数恰有3个,求实数
的取值范围;
(3)对于函数
与
定义域上的任意实数
,若存在常数
,使得
和
都成立,则称直线
为函数
与
的“分界线”.设
,
,试探究
与
是否存在“分界线”?若存在,求出“分界线”的方程;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/fc4e249d5fd24eb695105bb042005ace.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/39c1cba21390444eb81e688adbd9abc0.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/85141ab90d0a49aa8987c9e3e31f55a3.png)
(1) 将函数
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/3c0da225f1284eb99c2c691536754e92.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/7a7d521af57d47b3a281399bb1e79672.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/7a7d521af57d47b3a281399bb1e79672.png)
(2) 关于
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/2538df56e62a4fc295b07f191b4baecf.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/dcdef66d54bb4a0daf65ebcfd7341ce8.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/9685657796d745c5af1d457768c1375f.png)
(3)对于函数
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/52c243f4ef354dba895989064a8ad83d.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/5058a7bdd1fa4a1fb55e902d1d0c9045.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/2538df56e62a4fc295b07f191b4baecf.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/48e25cfb9ad54e659c4096f7e395654e.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/b9c97980c6a14adf8d5dae753894231c.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/d2ad2ee1fa234b029fc07077fd3c24ec.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/bb418d1edfa848f28071c98bbb8184ac.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/52c243f4ef354dba895989064a8ad83d.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/5058a7bdd1fa4a1fb55e902d1d0c9045.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/844066f053bd4917bc6a94a75063f975.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/1745175dd4f548f39a0d0ab19e2a3c97.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/52c243f4ef354dba895989064a8ad83d.png)
![](https://img.xkw.com/dksih/QBM/2012/1/30/1570706054389760/1570706059927552/STEM/5058a7bdd1fa4a1fb55e902d1d0c9045.png)
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