Math Problem Statement

Tentukan himpunan penyelesaian dari |x|/(x + 1) <= |x - 3|/(x + 7)

Solution

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Math Problem Analysis

Mathematical Concepts

Inequalities
Absolute Value
Algebraic Functions
Rational Inequalities

Formulas

Absolute value: |x| = x if x ≥ 0, and |x| = -x if x < 0
Inequality properties for rational expressions
Critical points: Solving for when expressions involving denominators and absolute values change

Theorems

Properties of absolute value functions
Sign analysis for inequalities

Suitable Grade Level

Grades 10-12