Let $f ( x ) = x ^ { \frac { 2 } { 3 } }$

Multiple Choice

Let $f ( x ) = x ^ { \frac { 2 } { 3 } }$ on $[ 0,1 ]$ Then the set of all c in (0,1) guaranteed by the Mean Value Theorem is

A) $\left\{ \frac { 2 } { 9 } \right\}$
B) $\left\{ \frac { 1 } { 3 } \right\}$
C) $\left\{ \frac { 4 } { 9 } \right\}$
D) $\left\{ \frac { 8 } { 27 } \right\}$
E) $\left\{ \frac { 11 } { 27 } \right\}$