Answer
[1, 2]
Work Step by Step
For interval notation, use the two numerical values separated by a comma: $$1,2$$ Then, add brackets because both values are included, less than *or equal to* and greater than *or equal to*: $$[1, 2]$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.