Question

Multiple Choice: Please select the best answer and click "submit."

At a car repair shop, the amount charged for labor depends on the time the mechanic works. Which of the following shows this idea expressed in function notation?

A. Amount(number of cars)
B. Time(amount charged)
C. Time(number of cars)
D. Amount(hours worked)

Answer 1

Think: Which variable (amount or number of cars) is the independent one? the other is the dependent variable. Would you expect to pay more or less for your car repair if the mechanic were to work an extra hour on your car?

Answer 2

so would it be D

Answer 3

@mathmale

Answer 4

Yes, definitely.