Find the X-Values (If Any) at Which the Function $f ( x ) = - 13 x ^ { 2 } + 6 x + 5$

Multiple Choice

Find the x-values (if any) at which the function $f ( x ) = - 13 x ^ { 2 } + 6 x + 5$ is not continuous. Which of the discontinuities are removable?

A) continuous everywhere
B) $x = 5$ , removable
C) $x = \frac { 3 } { 13 }$ , removable
D) $x = \frac { 3 } { 13 }$ , not removable
E) both B and C