Find the Vector V with the Magnitude $\frac { 15 } { 2 } \text { and direction of } \mathbf { u } = \{ 18 , - 18,9 \}$

question 114

Multiple Choice

Find the vector v with the magnitude $\frac { 15 } { 2 } \text { and direction of } \mathbf { u } = \{ 18 , - 18,9 \}$

• A) \(\mathbf { v } = \left( 5 , - 5 , \frac { 5 } { 2 } \right)\)
• B) \(\mathbf { v } = ( 5 , - 5,5 )\)
• C) \(\mathbf { v } = \left( 9 , - 9 , \frac { 9 } { 2 } \right\}\)
• D) \(\mathbf { v } = \left( \frac { 5 } { 2 } , - \frac { 5 } { 2 } , \frac { 5 } { 18 } \right)\)
• E) \(\mathbf { v } = \left( \frac { 5 } { 18 } , - \frac { 5 } { 18 } , \frac { 5 } { 6 } \right)\)

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Definitions:

Contribution Margin

The surplus of sales revenue over the variable production costs, showing how much revenue aids in covering fixed expenses and producing profit.

Sales Price

The amount of money for which a product or service is sold in the marketplace.

Variable Cost

Expenses that change in proportion to the level of production or business activity, unlike fixed costs which remain constant.

IRR

The interest rate that results in a net present value of zero for all cash flows associated with a specific project.