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: 14



Work Step by Step

This function is really the transformation of $y=x^2$. The axis of symmetry is found at $x=0$ for that function. Therefore, a transformation $f(x-h)$, or $h$ units rightward, means that the axis of symmetry of $y=a(x-h)^2+k$ is $h$ units right at $x=h$.
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