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A.
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B.
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C.
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D.
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![81. 已知偶函数f(x)在[0,π]上是增函数,那么f(-π),f<img align=](/imgs/C/C02001/c02001.0038.d58330.png)
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A.
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B.
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C.
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D.
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 答 A. 因为log2=-2,且偶函数f(x)在[0,π]上是增函数,则f(x)在[-π,0]上是减函数.又-π<-2<-,故f(-π)>f>f.故选A. (本文共 89 字 , 2 张图 ) ,f之间的大小顺序是( )
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 答 A. 因为log2=-2,且偶函数f(x)在[0,π]上是增函数,则f(x)在[-π,0]上是减函数.又-π<-2<-,故f(-π)>f>f.故选A. (本文共 89 字 , 2 张图 ) ,f之间的大小顺序是( )
A.
B.
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D. " href="javascript:void(0)"> [阅读本文] >>