Provide an Appropriate Response $y = \sqrt { 1 - \frac { 1 } { x } }$

Multiple Choice

Provide an appropriate response.
-What is the domain of the function $y = \sqrt { 1 - \frac { 1 } { x } }$ ?

A) $( - \infty , 0 ) \cup [ 1 , \infty )$
B) $( - \infty , 0 ) \cup ( 1 , \infty )$
C) $( 0,1 ]$
D) $( - \infty , \infty )$