Given Vectors $\mathbf { u } = \langle - 3,1 \rangle$

Multiple Choice

Given vectors $\mathbf { u } = \langle - 3,1 \rangle$ and $\mathbf { v } = \langle 2 , - 2 \rangle$ , determine the quantity indicated below. $\mathbf { u } \cdot - 4 \mathbf { v }$

A) 20
B) - 16
C) 2
D) 32
E) 14