College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.4 - Average Rate of Change of a Function - 2.4 Exercises: 4

Answer

(a) secant (b) 3

Work Step by Step

(a) The average rate of change of a function $f$ between $x=a$ and $x=b$ is the slope of the ___secant___ line between $(a,f(a))$ and $(b,f(b))$. (b) The average rate of change of the linear function $f(x)=3x+5$ between any two points is ___3___ (the slope).
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