Short Answer

Warehouse Safety Range Analysis

A logistics supervisor is drafting safety guidelines for a temperature-controlled cold storage warehouse. The automated backup HVAC system is programmed to activate if the internal temperature xx (in degrees Celsius) satisfies the following compound inequality condition:

35x71\frac{3}{5}x - 7 \le -1 or 13(x+6)2\frac{1}{3}(x + 6) \ge -2

The supervisor solves the individual inequalities and finds the two safety intervals to be x10x \le 10 and x12x \ge -12.

Based on this scenario, answer the following:

  1. What mathematical term describes the set operation used to combine these two individual safety intervals when they are connected by the word 'or'?
  2. State the final consolidated range of safe temperatures in interval notation.

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Updated 2026-06-02

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