A and B are sets of real numbers A=[y|y<4] B=[y|y\geq7] Write A\cap B

Tagiuraoob

Tagiuraoob

Answered question

2022-03-04

A and B are sets of real numbers
A=[yy<4]
B=[yy7]
Write AB and AB using interval notation

Answer & Explanation

Julien Manning

Julien Manning

Beginner2022-03-05Added 7 answers

Given:
A=[yy<4]
B=[yy7]Here, A=(,4)
B=[7,)
A and B don't have common intervals, thus AB=Ø
AB=(,4)[7,)

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