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how to write set notation and interval notation. Free math problem solver answers your algebra geometry trigonometry calculus and statistics homework questions with step-by-step explanations just like a math tutor. An interval notation calculator is functioned to write numbers in interval notation.
Interval Notation Describes Sets An Interval Is A Connected Subset Of Numbers It Is An Alternative To E Basic Algebra Math Classroom Quotes Teaching Algebra from www.pinterest.com
For example if we have the set x 2x1 then according to a definition it will be written as. The open interval ab represents the set of all real numbers between a and b including a and b. However this notation can be used to describe any group of numbers.
You never know when set notation is going to pop up.
The symbol in between the two sets is the union symbol and means that the solution can belong to either interval. For example the set x 3 x 1. - 4 2 22 The above reads as the intersection between the sets - 4 and 2 22 which is 2 4. The third method is interval notation in which solution sets are indicated with parentheses or brackets.
