Given Vectors $\mathbf { u } = \langle - 1 , - 2 \rangle$

question 53

Multiple Choice

Given vectors $\mathbf { u } = \langle - 1 , - 2 \rangle$ and $\mathbf { v } = \langle 3,5 \rangle$ determine the quantity indicated below. $( 4 \mathbf { u } \cdot 2 \mathbf { v } ) \mathbf { u }$

• A) \(\langle 32,64 \rangle\)
• B) \(\langle 104,208 \rangle\)
• C) \(\langle - 8 , - 16 \rangle\)
• D) \(\langle 8,16 \rangle\)
• E) \(\langle - 64 , - 128 \rangle\)

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Definitions:

Cost

The amount of money required to purchase goods or services or the expenditure incurred in the production of goods.

Markup Percent

The rate applied on top of the buying price of goods to encompass overhead expenses and earn profit.

Cost

The amount of money or resources expended to acquire an asset, produce a product, or provide a service.

Markup Percent

The additional percentage on the base cost of merchandise to accommodate for overhead and yield profit.