Let A = x < 5 and B = x ≤ 7. Find A B.

Question

Harry Malone

Mathematics

29 August, 21:50

Let A = x < 5 and B = x ≤ 7. Find A B.

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Answers (1)

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Daniel Costa · Answer 1

A B = x < 5

Step-by-step explanation:

The domain of A B will be given by x

The domain of A is given as x while that of B is x. From this we can infer that the domain of A is a subset of B since A is contained in B. The domain of A B is simply the intersection of these two sets which is A.