Find Any Critical Numbers of the Function $g ( t ) = t \sqrt { 14 - t }$

Multiple Choice

Find any critical numbers of the function $g ( t ) = t \sqrt { 14 - t }$ , t < 14.

A) 0
B) $- \frac { 28 } { 3 }$
C) $\frac { 28 } { 3 }$
D) both A and B
E) both A and C