Solve the Problem $\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle - 4,6 \rangle$

question 82

Multiple Choice

Solve the problem.
-If $\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle - 4,6 \rangle$ , and $\mathbf { w } = \langle - 11,2 \rangle$ , evaluate $\mathbf { u } \cdot ( \mathbf { v } - \mathbf { w } )$ .

• A) \(- 3\)
• B) \(- 7\)
• C) \(- 12\)
• D) 20

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