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

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

Chapter 3 - Quadratic Functions - Strengthen Your Understanding - Page 130: 1



Work Step by Step

Expand the function to get $f(x)=x^2+2x$, a quadratic function ($a\ne0$). The original function is written as the product of unfactorable expressions, so the function is in factored form.
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