Find 4a + 3b

question 84

Multiple Choice

Find 4a + 3b. a = < 4, - 2>, b = <4, 5 >

• A)4a + 3b = < 28, 7 >
• B)4a + 3b = < 12, 15 >
• C)4a + 3b = < 32, 12 >
• D)4a + 3b = < 8, 7 >
• E)4a + 3b = < 24, 17 >

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Definitions:

REM

Rapid Eye Movement, a distinct phase of sleep associated with vivid dreaming and increased brain activity.

Sleep Spindles

Bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of NREM sleep, implicated in sleep maintenance and memory consolidation.

Stage 2 Sleep

A phase of sleep characterized by specific brain wave patterns including sleep spindles and K-complexes, representing a deeper sleep than stage 1.

EEG Activity

The recording of electrical activity along the scalp produced by the firing of neurons within the brain, typically referred to as electroencephalography.