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