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当0<a<1时,函数①y=a|x|与函数②y=loga|x|在区间(-∞,0)上...
当0<a<1时,函数①y=a|x|与函数②y=loga|x|在区间(-∞,0)上的单调性为( )
A.都是增函数
B.都是减函数
C.①是增函数,②是减函数
D.①是减函数,②是增函数
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