Solve. Use Interval Notation to Express the Range

question 45

Multiple Choice

Solve. Use interval notation to express the range.
-Parts for an automobile repair cost $609. The mechanic charges $29 per hour. If you receive an estimate for at least $783 and at most $870 for fixing the car, what is the time interval that the mechanic will be working on the job?

• A) [6, 9]
• B) [1, 9]
• C) [1, 6]
• D) [27, 30]

---

Definitions:

Positive Reinforcement

A technique in behavior management that involves providing a reward or incentive following a desired behavior to increase the likelihood of its recurrence.

Unpleasant Event

Refers to an occurrence that is disagreeable or causes discomfort.

Omission

A failure to include or do something, often leading to a lack or gap in information or action.

Group Work

Cooperative effort by members of a group to achieve a common goal, often used in educational and professional contexts.