Algebra 1

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

Chapter 4 - An Introduction to Functions - 4-5 Writing a Function Rule - Practice and Problem-Solving Exercises: 17

Answer

11 dollars

Work Step by Step

In order to solve this problem, we plug four in for x, which represents the number of containers of orange juice that are bought. Thus, we obtain: $f(4)=4.5(4)-7 = 18-7=11$ dollars
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