Question

set {x: x is an integer less than 4} written in in roster notation?

Answer 1

The answer is {.....-2,-1, 0, 1, 2, 3}

Hope it helps!!

Answer 2

If we use the roster notation to write the given set, the set will be {..., -3, -2, -1, 0, 1, 2, 3}.

• In mathematics, a collection of well-defined objects or elements are called a set.
• We can write a set in many ways. One of the popular ways is using roster notation.
• While writing a set in the roster notation, the elements of the sets are placed in between two curly brackets and every element is separated by a single comma.
• Example of a set written in roster notation: A = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}.
• In the question, the set contains all the integers which are less than 4. So, the set in roster notation will be  {..., -3, -2, -1, 0, 1, 2, 3}.

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