Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.6 Graphs of Basic Functions - 2.6 Exercises - Page 255: 5

Answer

The identity function is the one in Option F. The equation of the identity function is $f(x)=x$.

Work Step by Step

The identity function is $f(x)=x$. Its graph is a line that rises from left to right and passes through the origin. Thus, its graph is the one in Option F.
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