Set and Interval Notation


Written Exercises

  1. How does the graph change if a "less than" symbol is replaced by a "less than or equals" to symbol?

  2.  How do you read "{x|-2 < x < 1}"?  Write your answer as a sentence.

  3.  Explain the difference between "(" and "[" in interval notation.


Information on Set Notation and Inequalities

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