Find the Magnitude of the Vector V $( - 6 , - 7 , - 9 )$

Multiple Choice

Find the magnitude of the vector v. v = $( - 6 , - 7 , - 9 )$

A) -22
B) 22
C) $\sqrt { 22 }$
D) $2 \sqrt { 166 }$
E) $\sqrt { 166 }$