Question 3 Express the following set in roster form. A = { x|x € N and 7 ≤ x < 12 } Use the editor to format your answer Question 4 Express the following set in set-builder notation. A = { 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 }

Q: 4. E 2cotx csc²xdx

A: Since you have asked multiple question, As per our policy we will solve the first question for you.…

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Q: How many different groups of 5 problems can be chosen from the 10 problems

A: Given How many different groups of 5 problems can be chosen from the 10 problems.

Q: A = {2, 3, 5, 7} B = {2, 3, 5, 7, 11, 13, 17, 19, 23} 1a. A n B = {2, 3, 5, 7} 1b. A u…

A: The given sets are,A=2,3,5,7B=2,3,5,7,11,13,17,19,23

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A: LetA=x−13/4

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A: