AP Calculus ABeasymcq1 pt

What is the average rate of change of f(x)=2x+5f(x)=2x+5 on the interval [1,3][1,3]?

A.22
B.77
C.1111
D.44

Explanation

Core Concept

The average rate of change is f(3)f(1)31=1172=2\dfrac{f(3)-f(1)}{3-1}=\dfrac{11-7}{2}=2.

Correct Answer

A22

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