Algebra and Trigonometry 10th Edition

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: 62a


$(N~o~T)(t)=90t^2+60t+600~~$, $0\leq t\leq6$ $N~o~T$ represents the number of bacteria in a refrigerated food as a function of time $t$ in hours.

Work Step by Step

$(N~o~T)(t)=N(3t+2)=10(3t+2)^2-20(3t+2)+600=10(9t^2+12t+4)-60t-40+600=90t^2+60t+600~~$, $0\leq t\leq6$
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