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Which is the set of numbers greater than 1313 and less than or equal to 2323?\newlineChoices:\newline(A)\{x | x > 13 \text{ or } x \leq 23\} \newline(B){xx13 or x23}\{x | x \geq 13 \text{ or } x \leq 23\} \newline(C){xx13 and x23}\{x | x \leq 13 \text{ and } x \geq 23\} \newline(D)\{x | x > 13 \text{ and } x \leq 23\}

Full solution

Q. Which is the set of numbers greater than 1313 and less than or equal to 2323?\newlineChoices:\newline(A){xx>13 or x23}\{x | x > 13 \text{ or } x \leq 23\} \newline(B){xx13 or x23}\{x | x \geq 13 \text{ or } x \leq 23\} \newline(C){xx13 and x23}\{x | x \leq 13 \text{ and } x \geq 23\} \newline(D){xx>13 and x23}\{x | x > 13 \text{ and } x \leq 23\}
  1. Understand the problem: Understand the problem. We need to find the set of numbers that are greater than 1313 and at the same time less than or equal to 2323.
  2. Identify inequality signs: Identify the correct inequality signs for the conditions given. For numbers greater than 1313, we use the > sign. For numbers less than or equal to 2323, we use the \leq sign.
  3. Combine conditions logically: Combine the two conditions using the correct logical operator. Since a number has to satisfy both conditions at the same time, we use the “and”\text{“and”} operator, not the “or”\text{“or”} operator.
  4. Write set notation: Write the set notation combining both conditions. The correct set notation is {x | x > 13 \text{ and } x \leq 23}.
  5. Match correct choice: Match the correct set notation with the given choices. The correct choice is (D)\{x | x > 13 \text{ and } x \leq 23\}.

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