Solve the Inequality $$\frac { r + 7 } { r ^ { 2 } + 2 } > 0$$

question 140

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$\frac { r + 7 } { r ^ { 2 } + 2 } > 0$$

• A) \(( - \infty , \infty )\)
• B) \{ \}
• C) \(( - 7 , \infty )\)
• D) \(( - \infty , - 7 ) \cup ( - 2 , \infty )\)

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Definitions:

Predominant Form

The most abundant or common form of a substance under specified conditions.

L-Phenylalanine

An essential amino acid with the formula C9H11NO2, used in the biosynthesis of proteins.

Biological pH

The pH range maintained in biological systems and fluids critical for the proper functioning of cells and biochemical processes.

Isoelectric Point

The pH at which a particular molecule carries no net electrical charge, often referenced in the context of amino acids and proteins.