Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 7 - Functions and Graphs - Review Exercises: Chapter 7 - Page 495: 2



Work Step by Step

A function is a correspondence between a first set, called the domain, and a second set, called the range, such that each member of the domain corresponds to exactly one member of the range. The notation $f(x)$ is read "f of $x,$ " or "the value of $f$ at $x$ ." If $x$ is an input, then $f(x)$ is the corresponding output. So, $f(3)$ is the corresponding output when the input is $x=3.$ (not $f\cdot 3$)
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