Answer
(a) $f(-x)=-4x^3-9x$
(b) $-f(x)=-4x^3-9x$
Work Step by Step
(a) Replace $x$ with $-x$ to get $$f(-x)=4(-x)^3+9(-x)=4(-1)^3x^3-9x=-4x^3-9x$$ (b) Multiply $f(x)$ by $-1$ to get $-f(x)=-4x^3-9x$.
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 6 - Transformations of Functions and Their Graphs - 6.1 Shifts, Reflections, and Symmetry - Exercises and Problems for Section 6.1 - Skill Refresher - Page 240: S8
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
