Let (A = {1, 2, 3}) and (B = {1, 2, 3, 4, 5}) be two sets of numbers. Is set (A) a subset of set (B)?

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Step:1 ：Step 1: We know that set (A) is a subset of set (B) if every element of (A) is also an element of (B).Step:2 ：Step 2: Check every element in set (A), which are (1), (2), and (3), to see if they are in set (B).Step:3 ：Step 3: We see that (1), (2), and (3) are all in set (B).

Answer

Step: 1 ：Step 1: We know that set (A) is a subset of set (B) if every element of (A) is also an element of (B).Step: 2 ：Step 2: Check every element in set (A), which are (1), (2), and (3), to see if they are in set (B).Step: 3 ：Step 3: We see that (1), (2), and (3) are all in set (B).

Let \(A = \{1, 2, 3\}\) and \(B = \{1, 2, 3, 4, 5\}\) be two sets of numbers. Is set \(A\) a subset of set \(B\)?

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