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Jack makes $5/hr for the first six hours on the job and then $8/hr after that. Explain why J(t), Jack’s earnings after he works t hours, is: Homework Help ✎


For the first six hours, Jack makes $5/hr, meaning at the end of six hours, he has earned $30. For anytime after six hours
(where he has already earned $30) he adds to the $30 by making $8 times the number of hours worked over six hours.