10-11高一下·广东·期末
1 . 已知函数![](https://img.xkw.com/dksih/QBM/2012/11/12/1571060839014400/1571060844199936/STEM/de08a504a4a24c438ba9b53324f5cceb.png)
(Ⅰ)求
的值;
(Ⅱ)求
(
)的值;
(Ⅲ)当
时,求函数
的值域.
![](https://img.xkw.com/dksih/QBM/2012/11/12/1571060839014400/1571060844199936/STEM/de08a504a4a24c438ba9b53324f5cceb.png)
(Ⅰ)求
![](https://img.xkw.com/dksih/QBM/2012/11/12/1571060839014400/1571060844199936/STEM/cc0209e4d55c4aada13009f21cbeda2c.png)
(Ⅱ)求
![](https://img.xkw.com/dksih/QBM/2012/11/12/1571060839014400/1571060844199936/STEM/ee5b370c8a73414d868e93f75b85d5aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da989240786ef7c3e2d903f30caf59e3.png)
(Ⅲ)当
![](https://img.xkw.com/dksih/QBM/2012/11/12/1571060839014400/1571060844199936/STEM/7c13c2cf963a4ed5a573af3f291fef97.png)
![](https://img.xkw.com/dksih/QBM/2012/11/12/1571060839014400/1571060844199936/STEM/48855e3af78d40d6b1a040ad8b05e2d4.png)
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解题方法
2 . 对于实数a,b,定义运算“⊗”:a⊗b=
,设f(x)=(2x﹣1)⊗(x﹣1),且关于x的方程f(x)﹣m=0恰有三个互不相等的实数根,则实数m的取值范围是_______ .
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462763565056/1572462769577984/STEM/ce38a2fd6d1042128b2cabe648591515.png?resizew=111)
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3 . 已知函数f(x)=
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a48c1ed6efd0a26ef2ee66f975cfacb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019787a630ee2f63ff8026f165d8efc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a48c1ed6efd0a26ef2ee66f975cfacb.png)
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4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1735ff2a3b1ea20caa6b161ce815ac.png)
(1)求
的值;
(2)求
的值;
(3)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1735ff2a3b1ea20caa6b161ce815ac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e7315d535566d5942798ae11127ced7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e86c9da8dfdae1dea7404ad6f898082.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06428bc852eeac1d7b9ff01b82c2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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