Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

Chapter 1 - Section 1.1 - Four Ways to Represent a Function - 1.1 Exercises: 2


f is not equal to g. When you factorize f(x) and cancel out some terms, it does give f(x)=x, which is the same function as g(x). Even though they seem equal, they are not equal because f(x)=x is not the original function we are talking about here. The original function has no answer at x=1 because it gives zero when divided by zero. Meanwhile, g(1) is equal to 1. Therefore, f is not equal to g.

Work Step by Step

f(x)=(x²-x)/x-1 f(x)=x(x-1)/x-1 f(x)=x g(x)=x
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