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Data were collected regarding the prices plumbers charge for their services in a certain
area. Most of their charges include a flat fee and then an hourly charge. Based on the
data gathered, the amount, A, a plumber charges for t hours of work can be modeled
by the equation A = 50 + 80t. Which statement is correct?


Sagot :

Using the linear function, it is found that the correct option is given by:

  • On average, plumbers in the city charge a flat fee of $50, and $80 for each hour they work.

Linear functions modeling a cost have the following format:

[tex]C(t) = C(0) + at[/tex]

In which:

  • C(0) is the flat fee.
  • a is the cost per unit of time.

In this problem, the cost for t hours of work is modeled by:

[tex]C(t) = 50 + 80t[/tex]

Which means that the correct statement is:

  • On average, plumbers in the city charge a flat fee of $50, and $80 for each hour they work.

To learn more about linear functions, you can take a look at https://brainly.com/question/16302622