Find the Magnitude of V $\mathbf { v } = ( - 4,0 , - 7 )$

Multiple Choice

Find the magnitude of v. $\mathbf { v } = ( - 4,0 , - 7 )$

A) $\| \mathbf { v } \|$ = $\sqrt { 4.72 }$
B) $\| \mathbf { v } \|$ = $\sqrt { 65 }$
C) $\| \mathbf { v } \|$ = $\sqrt { 67 }$
D) $\| \mathbf { v } \|$ = $4 \sqrt { 2 }$
E) $\| \mathbf { v } \|$ = $\sqrt { 2.72 }$