Answer
1
Work Step by Step
Base on the identity rule of fraction, 4/9x9/4=1, and negative times negative should be positive, so -4/9 x-9/4=1
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 4 - An Introduction to Functions - 4-5 Writing a Function Rule - Practice and Problem-Solving Exercises - Page 267: 54
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