Use the Vectors $\mathbf { u } = \langle 3,5 \rangle$

Multiple Choice

Use the vectors $\mathbf { u } = \langle 3,5 \rangle$ , $\mathbf { v } = \langle - 2,4 \rangle$ ,and $\mathbf { w } = \langle 3 , - 4 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar.​ $\left( \mathbf { v } ^ \mathbf{ . } \mathbf { u } \right) \mathbf { w }$ ​

A) $\langle 42 , - 60 \rangle$ ;vector
B) $\langle 42 , - 56 \rangle$ ;vector
C) -58;scalar
D) -56;scalar
E) $\langle 42 , - 52 \rangle$ ;vector