Find 2u - 3v $\mathbf { u } = 4 \mathbf { i } , \mathbf { v } = 5 \mathbf { j }$

question 13

Multiple Choice

Find 2u - 3v.? $\mathbf { u } = 4 \mathbf { i } , \mathbf { v } = 5 \mathbf { j }$ ?

• A)? \(15 \mathbf { i } - 8 \mathbf { j }\)
• B) \(4 \mathbf { i } - 5 \mathbf { j }\)
• C) \(- 8 \mathbf { i } - 15 \mathbf { j }\) ?
• D) \(8 \mathbf { i } - 15 \mathbf { j }\)
• E) \(8 \mathbf { i } + 15 \mathbf { j }\) ?

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