Apex Plumbing charges a trip fee of $55 plus $15 for each quarter hour of service. John wrote an equation using, t , the total cost of a service call, as a function of, h , the number of hours the call lasted. What is the value of the slope in his equation and what does it represent?

Question

Apex Plumbing charges a trip fee of $55 plus $15  for each quarter hour of service. John wrote an equation using, t , the total cost of a service call, as a function of, h , the number of hours the call lasted. What is the value of the slope in his equation and what does it represent?

Anonymous · Accepted Answer

Slope 15

Reiny · Answer

dI hope John wrote t = 60h + 55 the slope is 60 and it represents the hourly rate of $60 ($15 per quarter hour = $60/hr)