Removing two inputs cuts the real line into three connected pieces, so interval notation must preserve all three rather than only the middle. Place parentheses at each missing number and at infinity, then join the pieces with union symbols. A quick membership check should exclude exactly the stated pair and retain every other real input.
Inside Gozunta
Turn the preview into practice.
More than a preview
Gozunta lets you study this problem—and more than 10,000 others.
Create targeted learning sessions, use hints, check your answer, read the walkthrough, watch the video, print the work, and track your progress.
