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

question 282

Multiple Choice

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

• A)-48
• B)-56
• C)-46
• D)88
• E)20

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