已知函数y=2|X|.(1当x属于(-无穷大,0]时,求它的反函数;(2)在同一坐标系中画出y=2|x| (x属于(-...
已知函数y=2|X|.(1当x属于(-无穷大,0]时,求它的反函数;(2)在同一坐标系中画出y=2|x|(x属于(-无穷大,0])及反象...
已知函数y=2|X|.(1当x属于(-无穷大,0]时,求它的反函数;(2)在同一坐标系中画出y=2|x| (x属于(-无穷大,0])及反象
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