Find the Domain of the Rational Function $$r ( x ) = \frac { x ^ { 2 } + x - 9 } { x ^ { 2 } - 13 x + 36 }$$

question 44

Multiple Choice

Find the domain of the rational function.
- $$r ( x ) = \frac { x ^ { 2 } + x - 9 } { x ^ { 2 } - 13 x + 36 }$$

• A) All real numbers except \(- 9\) and \(- 4\).
• B) All real numbers except 9 and 4 .
• C) All real numbers except \(- 4\) and 9 .
• D) All real numbers except \(- 9\) and 4

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Definitions:

AGI

Adjusted Gross Income; an individual's total gross income minus specific deductions, used to determine taxable income.

Dependent

An individual, typically a child or family member, whose maintenance and support can be claimed as a deduction by another, usually for tax purposes.

Head of Household

A tax filing status for individuals who are unmarried or considered unmarried, provide more than half of the household expenses, and have a qualifying person living with them.

Qualifying Child

A dependent who meets specific IRS criteria relating to relationship, age, support, and residence for tax purposes.