#### 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*: $$[1, 2]$$

Published by
Brooks Cole

ISBN 10:
1305071751

ISBN 13:
978-1-30507-175-9

[1, 2]

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