Given $\mathbf { u } = 5 \mathbf { i } - 3 \mathbf { j }$

question 208

Multiple Choice

Given $\mathbf { u } = 5 \mathbf { i } - 3 \mathbf { j }$ and $\mathbf { v } = \mathbf { i } + 2 \mathbf { j }$ , determine $9 \mathbf { u } - 3 \mathbf { v }$ .

• A) \(9 \mathbf { u } - 3 \mathbf { v } = 39 \mathrm { i } - 39 \mathrm { j }\)
• B) \(9 \mathbf { u } - 3 \mathbf { v } = 3 \mathbf { i } + 3 \mathbf { j }\)
• C) \(9 \mathbf { u } - 3 \mathbf { v } = 42 \mathbf { i } - 33 \mathbf { j }\)
• D) \(9 \mathbf { u } - 3 \mathbf { v } = - 6 \mathbf { i } + 39 \mathbf { j }\)
• E) \(9 \mathbf { u } - 3 \mathbf { v } = - 30 \mathbf { i } + 39 \mathbf { j }\)

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Definitions:

Phobias

Intense, irrational fears of specific objects or situations that pose little to no actual danger.

Hippocampus

A major component of the brains of humans and other vertebrates, playing critical roles in the consolidation of information from short-term memory to long-term memory and spatial navigation.

Addictions

A neurological condition characterized by compulsive engagement in rewarding stimuli, despite adverse consequences.

Panic Disorder

A type of anxiety disorder characterized by sudden and recurrent panic attacks, often with persistent concern about additional attacks.