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Which is the set of integers greater than or equal to 22 and less than 66?\newlineChoices:\newline(A) {3,4,5,6}\{3, 4, 5, 6\}\newline(B) {3,4,5}\{3, 4, 5\}\newline(C) {2,3,4,5}\{2, 3, 4, 5\}\newline(D) {2,6}\{2, 6\}

Full solution

Q. Which is the set of integers greater than or equal to 22 and less than 66?\newlineChoices:\newline(A) {3,4,5,6}\{3, 4, 5, 6\}\newline(B) {3,4,5}\{3, 4, 5\}\newline(C) {2,3,4,5}\{2, 3, 4, 5\}\newline(D) {2,6}\{2, 6\}
  1. Identify Inequalities: Identify the inequality that represents the set of integers greater than or equal to 22 and less than 66.\newlineWe are looking for two inequalities here: one that represents "greater than or equal to 22" and another that represents "less than 66".\newlineThe inequality for "greater than or equal to 22" is x2 x \geq 2 .\newlineThe inequality for "less than 66" is x<6 x < 6 .
  2. Combine Inequalities: Combine the inequalities to form a compound inequality that represents the set of integers that satisfy both conditions.\newlineThe compound inequality is 2x<6 2 \leq x < 6 .\newlineThis means we are looking for integers that are both greater than or equal to 22 and less than 66.
  3. List Satisfying Integers: List the integers that satisfy the compound inequality 2x<6 2 \leq x < 6 .\newlineStarting from 22 and going up to but not including 66, we have the integers 22, 33, 44, and 55.\newlineThese are the integers that are greater than or equal to 22 and less than 66.
  4. Match to Choices: Match the list of integers from Step 33 to the given choices.\newlineThe list of integers we found is 2,3,4,5{2, 3, 4, 5}.\newlineLooking at the choices:\newline(A) 3,4,5,6{3, 4, 5, 6} - This set includes 66, which should not be included.\newline(B) 3,4,5{3, 4, 5} - This set does not include 22, which should be included.\newline(C) 2,3,4,5{2, 3, 4, 5} - This set matches our list exactly.\newline(D) 2,6{2, 6} - This set does not include 3,4,3, 4, or 55, and it incorrectly includes 66.

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