Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-4 Graphing a Function Rule - Mixed Review - Page 259: 51


n=9 or n=-31

Work Step by Step

Based on the property of both vegetative and positive input value can get positive absolute output value , 20=/n+11/ could be divided into teo conditions : 20=n+11 or -20=n+11 And we finally minus both sides of the equations 11 and can get n=9 or n= -31
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