Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - Chapter Review - Page 286: 21


f(2)=-4 and f(7)=6

Work Step by Step

To calculate the output, we plug in the x value for each x: f(2)=2(2)-8=-4 f(7)=2(7)-8=6
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