What is domain of function f(x) = x⁻¹ for it to be defined everywhe

1.	What is domain of function f(x) = x⁻¹ for it to be defined everywhere on domain?
A.	(2, ∞)
B.	(-∞, ∞) – {0}
C.	[0, ∞)
D.	None of the mentioned
Answer» C. [0, ∞)

Discussion

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