Solve the Inequality $$\frac { x ^ { 2 } - 81 } { x ^ { 2 } + 81 } \geq 0$$

question 357

Multiple Choice

Solve the inequality.
- $$\frac { x ^ { 2 } - 81 } { x ^ { 2 } + 81 } \geq 0$$

• A) \([ - 9,9 ]\)
• B) \(( - \infty , - 81 ] \cup [ 81 , \infty )\)
• C) \([ 9 , \infty )\)
• D) \(( - \infty , - 9 ] \cup [ 9 , \infty )\)

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Definitions:

Main Connective

The logical function within a complex statement that establishes the truth value of the entire proposition.

Main Components

Essential parts or elements that constitute something or contribute to its operation.

Symbolic Notation

A system of symbols used to represent numbers, operations, relations, or concepts, especially in mathematics, logic, and computer science.

Symbolic Notation

A system of symbols used to represent numbers, operations, relations, or concepts, often used in mathematics and logic.