AP Calculus ABeasymcq1 pt

What is the average rate of change of f(x)=x2f(x)=x^2 over the interval [1,3][1,3]?

A.44
B.88
C.22
D.1616

Explanation

Core Concept

Compute f(3)f(1)31=912=4\dfrac{f(3)-f(1)}{3-1}=\dfrac{9-1}{2}=4. This is the slope of the secant line through (1,1)(1,1) and (3,9)(3,9).

Correct Answer

A44

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