Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Section 2.1 - Introduction to Functions - Exercise Set - Page 114: 49



Work Step by Step

$=\frac{f(a+h)-f(a)}{h}$ Use $f(x)=3x+7$ in the given function. $=\frac{3(a+h)+7-(3a+7)}{h}$ $=\frac{3a+3h+7-3a-7}{h}$ $=\frac{3h}{h}$ $=3$
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