Answer
Domain : (-∞,1) U (1, ∞)
Range : (-∞, 0) U (0, ∞)
Work Step by Step
$f(x)=\frac{1}{1-x}$
Domain : x can be any real number except 1 (as division by zero is not defined)
Range : All real numbers except zero
Domain : (-∞,1) U (1, ∞)
Range : (-∞, 0) U (0, ∞)
