Joe's Plumbing and Mark's Plumbing have different ways of charging their customers. The function defined by f(t) = 45t represents the total amount in dollars that Joes Plumbing charges for hours of work Mark's Plumbing charges $40 per hour plus a 25 trip charge a Which plumbing service company has a higher rate per hour? Justify your answer b. 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 . Room 2