Question

The domain and range of the real function f defined by f (x) = (4-x)/(x-4) is given by

(A) Domain = R, Range = {–1, 1}

(B) Domain = R – {1}, Range = R

(C) Domain = R – {4}, Range = {– 1}

(D) Domain = R – {– 4}, Range = {–1, 1}

Answer 1

Answer is (C) Domain = R – {4}, Range = {– 1}