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S is a subset within a universal set, U. If S = {x, y, 4, 9, ?), which could describe U? U = {keys on a keyboard}
U = {letters}
U = {numbers}
U = {punctuation marks}

Respuesta :

metchelle
Since U is a universal set where S is its subset, then set U should consist of all the letters, numbers and punctuation mark in a keyboard. In other words, universal set U consists of the following elements:
U = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
U = (x| x comprised of all the letters in the alphabet fro a to z)
U = (!,.,,,?,!:,;,",',-)

The universal set will consist of all the letters, numbers, and punctuation marks on the keyboard.

Given to us

S is a subset within a universal set, U. If S = {x, y, 4, 9, ?)

What does set S contain?

As we can see that the set contains letters, numbers, and punctuation marks, therefore, the universal set must also have all three types of elements.

From all the given options the only option that contains all this is the keys of the keyboard.

Hence, the universal set will consist of all the letters, numbers, and punctuation marks on the keyboard.

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