$\text { Let } f ( x ) = \frac { x ^ { 3 } + 1 } { x ^ { 2 } - 2 x - 3 }$

Multiple Choice

$\text { Let } f ( x ) = \frac { x ^ { 3 } + 1 } { x ^ { 2 } - 2 x - 3 }$ Which of the following is true?

A) ƒ is defined at -1.
B) ƒ is defined at 3.
C) ƒ has a removable discontinuity at -1.
D) ƒ has a removable discontinuity at 3.
E) ƒ is continuous at -1.