AP Calculus ABeasymcq1 pt

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

A.99
B.22
C.44
D.88

Explanation

Core Concept

The average rate of change is f(3)f(1)31=912=4\frac{f(3)-f(1)}{3-1}=\frac{9-1}{2}=4. This is the slope of the secant line through (1,1)(1,1) and (3,9)(3,9).

Correct Answer

C44

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