Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.2 - Graphs of Functions - 2.2 Exercises - Page 167: 2

Answer

10

Work Step by Step

If $f(4) = 10$ then the point $(4,10)$ is on the graph of f. This is the definition of a function rule!
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