Question

Let A = { all odd numbers) and B = {1,3,5,7). Is B a subset of A?

Answer 1

yes

Explanation:

A={all odd numbers}={1,3,5,7,...}

B={1,3,5,7}

B⊂A

Answer 2

Explanation:

Yes

{1,3,5,7} contains the first 4 odd numbers.

{1,2,3,5,7} would not be a subset.