2.6: Average Rate of Change - Mathematics LibreTexts
https://math.libretexts.org/Courses/Highline_College/MATH_141%3A_Precalculus_I_(2nd_Edition)/02%3A_Inequalities_and_Functions/2.06%3A_Average_Rate_of_Change
WEBFind the average rate of change of a function. Since functions represent how an output quantity varies with an input quantity, it is natural to ask about the rate at which the values of the function are changing. For example, the function \ (C (t)\) below gives the average cost, in dollars, of a gallon of gasoline \ (t\) years after 2000. \ (t\) 2.
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