The function below shows the number of car owners f(t), in thousand, in a city in different years t:

f(t) = 0.25t2 - 1.5t + 2.5

the average rate of change of f(t) from t = 5 to t = 8 is thousand per year

The average rate of change of f(t) from t = 5 to t = 8 is 1.75 thousand per year.

Step-by-step explanation:

The given function is

We have to find the average rate of change of f(t) from t = 5 to t = 8.

Substitute t=5

Substitute t=8

The average  rate of change is defend as

Therefore the average rate of change of f(t) from t = 5 to t = 8 is 1.75 thousand per year.

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step-by-step explanatio89

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step-by-step explanation: