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 c…

asked Apr 25, 2021 74.5k views

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.

Which plumbing service company has a higher rate per hour? Justify your answer.

What domain values for both functions are reasonable in this context? Justify your answer.

Leyla needs to hire a plumber to fix a few things around her house. She will need plumbing service for a total of 3 hours. Which plumbing service should she go with to save money? How much will she save? Justify your answer.