Answer
$y=x^2-1$
Work Step by Step
A function rule that represents the relationship between x and y is: $y=x^2-1$
It works for all the terms:
$(-4,15): 15=(-4)^2-1$
$(-3,8): 8=(-3)^2-1$
$(-2,3): 3=(-2)^2-1$
$(-1,0): 0=(-1)^2-1$
........
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: 32
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