Mathematics, 01.12.2020 21:30, blackjack73

Joe’s Plumbing and Mark’s Plumbing have different ways of charging their customers. The function defined by J(t)=45t represents the total amount in dollars that Joe’s Plumbing charges for t hours of work. Mark’s Plumbing charges $40 per hour plus a $25 trip charge.

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Joe’s Plumbing and Mark’s Plumbing have different ways of charging their customers. The function def...