Flashcardizz Review Day 3

Front

What is set-builder notation?

Back

Set-builder notation is a mathematical notation for describing a set by stating the properties that its members must satisfy.

Front

How do you express the interval (−∞, 5] in set-builder notation?

Back

{x | x ≤ 5}

Front

How do you express the interval [14, ∞) in set-builder notation?

Back

{x | x ≥ 14}

Front

What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Front

How do you express the interval (22, 98] in set-builder notation?

Back

{x | 22 < x ≤ 98}

Front

What is the difference between open and closed intervals?

Back

Open intervals do not include their endpoints, while closed intervals do.

Front

What does the notation {x | x < 5} represent?

Back

It represents the set of all numbers x that are less than 5.

Front

What does the notation {x | x > 14} represent?

Back

It represents the set of all numbers x that are greater than 14.

Front

How can you combine two sets in set-builder notation?

Back

You can combine two sets using 'or' to include elements from either set.