What Are Intervals?Menu1DefinitionInterval on a Number LineActivity Set 12Intervals as InequalitiesActivity Set 13Interval Notation Using Square Brackets and ParenthesesActivity Set 14Open IntervalsActivity Set 15Closed IntervalsActivity Set 16Half-open IntervalsActivity Set 17Union of IntervalsActivity Set 18Intersection of IntervalsActivity Set 1What is the intersection of the two intervals?[−4,1](−4,1)∅[−4,1)CheckResetContinue9Boss Battle
