中文谷設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ...
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問題詳情：
設偶函數f(x)對任意x∈R都有f(x)＝－![設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ...](https://i2.zhongwengu.com/3405cd9449c51ec465/3515c68f/66579f/6e5591d11d9c52cc7744bd.gif "設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ..."){kind=small}
且當x∈[―3, ―2]時f(x)＝4x，則f(119.5)＝
A．10 B．－10 C．![設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ... 第2張](https://i3.zhongwengu.com/3405cd9449c51ec465/3515c68f/66579f/6e5591d11d9c52cc7744be.gif "設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ... 第2張"){kind=small}
D．－![設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ... 第3張](https://i1.zhongwengu.com/3405cd9449c51ec465/3515c68f/66579f/6e5591d11d9c52cc7744be.gif "設偶函數f(x)對任意x∈R都有f(x)＝－且當x∈[―3,―2]時f(x)＝4x，則f(119.5)＝ ... 第3張"){kind=small}
【回答】
C
知識點：*與函數的概念
題型：選擇題
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