赚现金
函数 y = 1 0 x 2 - 1 0 < x ≤ 1 的反函数是( )
y = - 1 + lg x ( x > 1 10 )
y = 1 + lg x ( x > 1 10 )
y = - 1 + lg x ( 1 10 < x ≤ 1 )
y = 1 + lg x ( 1 10 < x ≤ 1 )
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