The function f is one-to-one. Find its inverse.f(x) = x2 - 6, x ? 0

A. f-1(x) =  + 6, x ? 0
B. f-1(x) =  + 6, x < 0
C. f-1(x) = , x ? 6
D. f-1(x) = , x ? -6

Answer: D

Mathematics

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