Question 14
Express the set using interval notation.
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The set can be expressed in interval notation as . This notation indicates that is greater than 2 but less than 7, and the parentheses signify that the endpoints 2 and 7 are not included in the set.

Interval notation is super handy in various fields of mathematics, like calculus and algebra, because it gives a clear and concise way to represent ranges for functions, solutions to inequalities, or domains of various mathematical objects. Next time you see an inequality, remember how quickly you can convert it to interval notation!