1. ## Roster notation???

Question is as follows:

Write the following sets in roster notation:

(a) B'

Would the answer be written this way ~ "B complement"

I missed this day of class for my mothers funeral and have finals on Monday and this is the one thing I do not understand if I am following it correctly....PLEASE need IMMEDIATE help!!!!

2. Originally Posted by Xaviersmother
Question is as follows:

Write the following sets in roster notation:

(a) B'

Would the answer be written this way ~ "B complement"

I missed this day of class for my mothers funeral and have finals on Monday and this is the one thing I do not understand if I am following it correctly....PLEASE need IMMEDIATE help!!!!

3. Originally Posted by Xaviersmother
Question is as follows:

Write the following sets in roster notation:

(a) B'

Would the answer be written this way ~ "B complement"

I missed this day of class for my mothers funeral and have finals on Monday and this is the one thing I do not understand if I am following it correctly....PLEASE need IMMEDIATE help!!!!
Hi Xaviersmother,

Roster notation is an explicit way of expressing the elements of a set, each element separated by a comma, and the set itself enclosed in "braces".

Set Builder notation describes, but does not explicitly list the elements of the set.

Example:

Use set-builder notation to denote the set of all intergers between 1 and 10.

Answer: $\displaystyle \{x|1<x<10\}$

Use roster notation to denote the same set.

Answer: $\displaystyle X=\{2,3,4,5,6,7,8,9\}$

The complement of B, denoted B' is the set of all elements in the universal set that are not in B. There are no elements to list since we do not know the universal set. Using set builder notation, we could say:

B' = {all elements from the universal set that are not B}

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### algebra roster notation

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