Let $f ( x ) = x ^ { 4 } - 3$

Multiple Choice

Let $f ( x ) = x ^ { 4 } - 3$ on $[ - 2,2 ]$ Then the set of all c in $( - 2,2 )$ guaranteed by Rolle's Theorem is

A) $\{ - 1 \}$
B) $\left\{ - \frac { \sqrt { 3 } } { 3 } \right\}$
C) $\left\{ \frac { \sqrt { 3 } } { 3 } \right\}$
D) $\{ 0 \}$
E) $\{ 1 \}$