Question: Consider a function f : R3 - R, (x, y, z) > f(x, y, z), given by In(x - 16) 1 f (x, y, z)

Consider a function f : R3 - R, (x, y, z) > f(x, y, z), given by In(x - 16) 1 f (x, y, z) = arccos(y) + (1) Vac1/4 - ly1 y tan(7z/2) What is the domain of this function? Consider a function f : R4 - R, (x, y, z, w) > f(x, y, z, w), given by f (x, y, z, w) = esin(x-w) + cos2(z) erf (In(ly )1) , (2) where the error function, defined by erf(u) = (2/V7 ) Joe dt, covers the range (-1, 0] for u E (-oo, 0] and the range [0, 1) for u E [0, co). What is the range of the function f(x, y, z, w)

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