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Which is the set of numbers greater than or equal to 6-6 and less than 00?\newlineChoices:\newline(A) {xx6 or x0}\{x | x \leq -6 \text{ or } x \geq 0\} \newline(B) \{x | x \leq -6 \text{ or } x > 0\} \newline(C) \{x | x \geq -6 \text{ and } x < 0\} \newline(D) \{x | x > -6 \text{ or } x < 0\}

Full solution

Q. Which is the set of numbers greater than or equal to 6-6 and less than 00?\newlineChoices:\newline(A) {xx6 or x0}\{x | x \leq -6 \text{ or } x \geq 0\} \newline(B) {xx6 or x>0}\{x | x \leq -6 \text{ or } x > 0\} \newline(C) {xx6 and x<0}\{x | x \geq -6 \text{ and } x < 0\} \newline(D) {xx>6 or x<0}\{x | x > -6 \text{ or } x < 0\}
  1. Understand the problem: Understand the problem. We are looking for a set of numbers that are greater than or equal to 6-6 and at the same time less than 00. This means we are looking for an intersection of two sets: one that includes numbers greater than or equal to 6-6, and another that includes numbers less than 00.
  2. Identify first inequality: Identify the correct inequality for the first condition. The inequality for numbers greater than or equal to 6-6 is x6x \geq -6.
  3. Identify second inequality: Identify the correct inequality for the second condition. The inequality for numbers less than 00 is x < 0.
  4. Combine inequalities: Combine the two inequalities to represent the intersection of the two sets. The correct set notation for numbers that satisfy both conditions is {x | x \geq -6 \text{ and } x < 0}.
  5. Match combined inequality: Match the combined inequality to the correct choice. The correct choice that represents the set of numbers greater than or equal to 6-6 and less than 00 is (C)\{x | x \geq -6 \text{ and } x < 0\}.

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