Find the Domain of the Rational Function $$g ( x ) = \frac { x + 9 } { x ^ { 2 } + 1 }$$

question 349

Multiple Choice

Find the domain of the rational function.
- $$g ( x ) = \frac { x + 9 } { x ^ { 2 } + 1 }$$

• A) all real numbers
• B) \(\{ x \mid x \neq - 1 , x \neq 1 , x \neq - 9 \}\)
• C) \(\{ x \mid x \neq 0 , x \neq - 1 \}\)
• D) \(\{ x \mid x \neq - 1 , x \neq 1 \}\)

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Definitions:

Primary Circular Reactions

Early repetitive behaviors in infants that focus on the body and are instrumental in the development of cognitive processes.

Tertiary Circular Reactions

The stage in Piaget's sensorimotor phase (usually around 12-18 months of age) where infants start experimenting with new behaviors through trial and error.

Coordination

The ability to use different parts of the body smoothly and efficiently together, often important for physical activities and sports.

Intentionality

The quality of being deliberate or purposeful in actions, thoughts, or communications.