设函数f（x）= a|x|+2ax （其中常数a＞0，且a≠1）．_刷题宝

题干

设函数f（x）= a|x|+

2

a

x

（其中常数a＞0，且a≠1）．

上一题下一题 0.0难度选择题更新时间:2015-07-09 05:08:59

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