Determine the domain of the function (fog)(x) where f(x) = x²/x²-1 and g(x) = √x + 4
A. (-∞,-1) U (-1,1) U (1,∞)
B. (-4,-3) U (-3, ∞)
C. (-∞,-3) U (-3, ∞)
D. [-4,-3) U (-3, ∞)
