Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 1 - Linear Functions and Change - Exercises and Problems for Section 1.1 - Skill Refresher - Page 6: S6

Answer

The answer is $-26$.

Work Step by Step

We insert $x = 3$ in $1 - 12x +x^2$: $1 - 12x +x^2 = 1 - 12 \cdot 3 +3^2 = 1- 36 + 3 \cdot 3 = 1 - 36 + 9 = -26$.
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