Find the Component Of $u$ Along $\mathbf { Y }$ If $\mathbf { u } = ( - 6,7 )$

Multiple Choice

Find the component of $u$ along $\mathbf { Y }$
If $\mathbf { u } = ( - 6,7 )$ and $v = ( 3,4 )$

A) $2$
B) $5$
C) $\frac { \sqrt { 10 } } { 7 }$
D) $\frac { \sqrt { 5 } } { 2 }$
E) none