Answer
Y+12
Work Step by Step
Let O represent the age of the oldest child, M represent the age of the middle child, and Y represent the age of the youngest child, then
M(Y)=0.5Y+6
O(M(Y))=2(0.5Y+6)=Y+12
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.6 - Combinations of Functions: Composite Functions - 2.6 Exercises - Page 221: 67a
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