Apentix/AP Calculus AB/Unit 4: Contextual Applications of Differentiation/Question
AP Calculus ABhardmcq1 pt

The temperature $T$ of a cup of coffee is cooling in a room, modeled by the function $T(t)$, where $T$ is measured in degrees Celsius and $t$ is measured in minutes. Which of the following expressions represents the average rate of change of the coffee's temperature between $t = 2$ and $t = 10$ minutes?

Explanation

Core Concept

Correct. The average rate of change of a function over an interval $[a, b]$ is given by the difference quotient $\frac{f(b) - f(a)}{b - a}$.

Correct Answer

q7_a

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