Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 2 - Linear and Quadratic Functions - Section 2.1 Properties of Linear Functions and Linear Models - 2.1 Assess Your Understanding - Page 126: 5



Work Step by Step

Substitute $-2$ to $x$ to obtain: $f(-2)=(-2)^2-4\\ f(-2)=4-4\\ f(-2)=0$
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