Find the Range of the Function $$f ( x ) = 7 - x ^ { 2 }$$

question 177

Multiple Choice

Find the range of the function.
- $$f ( x ) = 7 - x ^ { 2 }$$

• A) \([ - \sqrt { 7 } , \sqrt { 7 } ]\)
• B) \([ 7 , \infty )\)
• C) \(( - \infty , \infty )\)
• D) \(( - \infty , 7 ]\)

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Definitions:

Hypnagogic Hallucinations

Vivid perceptual experiences that occur at the onset of sleep, often involving visual, auditory, or tactile sensations.

Rapid Eye Movement

A phase of sleep characterized by fast movements of the eyes, during which vivid dreams commonly occur; it is a critical part of the sleep cycle linked to emotional and cognitive well-being.

Sleep Spindles

Sudden bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of sleep and are believed to be involved in memory consolidation and learning processes.

Nonconscious Process

A psychological process that occurs outside of conscious awareness, influencing thoughts, feelings, and behaviors without our direct knowledge.