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下列函数中,既是偶函数又在(0,+∞)上单调递增的是( ) A.y=x3 B.y...
下列函数中,既是偶函数又在(0,+∞)上单调递增的是( )
A.y=x3
B.y=cos
C.y=tan
D.y=ln|x|
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