Hey I just need someone to check my answer on this. I'll fan and medal :)
The function below shows the number of car owners f(t), in thousands, in a city in different years t:
f(t) = 0.25t^2 - 0.5t + 3.5
The average rate of change of f(t) from t = 2 to t = 6 is ______ thousand owners per year.
I think the average rate of change is 2.38?
Stacey Warren - Expert brainly.com
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How did you get 2.38?
Well, I plugged in 2 for every t in the equation, and then I plugged in 6 for every t in the equation. I solved them, took the difference and divided it by the number of years between 2 and 6, so, 4.
So the first equation was f(2) = 3.5 and the second equation was f(6) = 9.5.