Find the Domain Of $$f ( x ) = \frac { x ^ { 2 } - 25 } { x ^ { 2 } + 3 x - 40 }$$

question 12

Multiple Choice

Find the domain of $$f ( x ) = \frac { x ^ { 2 } - 25 } { x ^ { 2 } + 3 x - 40 }$$ .

• A)all real numbers
• B)all real numbers except x = -8
• C)all real numbers except x = 5 and x = -8
• D)all real numbers except x = 8 and x = -5
• E)all real numbers except x = -5,x = 5 and x = -8

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Definitions:

Gamma Waves

A pattern of brain waves in the human brain with a frequency between 25 and 100 Hz, associated with perception and consciousness.

Delta Waves

Slow brain waves, typically associated with the deepest stages of sleep and relaxation.

Theta Waves

Low-frequency brain waves that are associated with states of drowsiness, creativity, and emotional experiences.

ADHD

Attention Deficit Hyperactivity Disorder, a neurodevelopmental disorder characterized by persistent patterns of inattention and/or hyperactivity-impulsivity.