Every repair bill at Chuckie’s Service Spot includes a fixed charge for an estimate of the repairs plus an hourly fee for labor. Jack paid $123 for a TV repair that required 3 hours of labor. Nina paid $65 for a DVD player repair that required 1 hour of labor. What is the hourly fee for labor at Chuckie’s?

HINT HINT HINT
Create two ordered pairs and calculate the slope (also known as the rate of change)

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step-by-step explanation:

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correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

you have to put the graph on here with the question

step-by-step explanation: