List All Values of X for Which F (X)is Not $f ( x ) = \frac { 2 x + 1 } { x ^ { 2 } + x }$

Multiple Choice

List all values of x for which f (x) is not continuous. $f ( x ) = \frac { 2 x + 1 } { x ^ { 2 } + x }$ .

A) $- \frac { 1 } { 2 }$
B) -1
C) None
D) 0 and -1