State the domain and range of the one-to-one functions f and f-1.f(x) = 

A. f(x): domain (-?, ?), range (-?, ?);
f-1(x): domain (-?, ?), range (-?, ?)
B. f(x): domain (-?, ?), range  ? ;
f-1(x): domain  ?  , range (-?, ?)
C. f(x): domain (-?, -2) ? (-2, ?), range (-?, 0) ? (0, ?);
f-1(x): domain (-?, 0) ? (0, ?), range (-?, -2) ? (-2, ?)
D. f(x): domain  ? , range (-?, -2) ? (-2, ?);
f-1(x): domain (-?, -2) ? (-2, ?), domain  ? 


Answer: C

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