Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 11 Data Analysis and Statistics - 11.5 Choose the Best Model for Two-Variable Data - 11.5 Exercises - Mixed Review - Page 780: 20

Answer

21

Work Step by Step

Plugging in the given value of $x$, we find: $$f(x)=7x-7 \\ f(4) =7(4)-7 = 21 $$
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