Find the Specified Domain and Express It in Interval Notation $f ( x ) = x ^ { 2 } - 9$

question 7

Multiple Choice

Find the specified domain and express it in interval notation.
-For $f ( x ) = x ^ { 2 } - 9$ and $g ( x ) = 2 x + 3$ , what is the domain of $\left( \frac { f } { g } \right) ( x )$ ?

• A) \(( - 3,3 )\)
• B) All real numbers
• C) All real numbers except \(- \frac { 3 } { 2 }\)
• D) \(\left[ - \frac { 3 } { 2 } , \infty \right]\)

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Definitions:

Chemical Reactions

Processes in which one or more substances, the reactants, are converted to one or more different substances, the products.

Chemical Equations

Chemical equations are symbolic representations of chemical reactions, depicting the reactants and products, their phases, and the stoichiometric relationships between them.

HCl

Hydrochloric acid, a strong corrosive acid that is used in chemical synthesis and as a digestive aid in the human stomach.

Hydrogen

Hydrogen is a chemical element with the symbol H and atomic number 1, known as the lightest element in the periodic table and a primary component of water.