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
Algebra 1
by Hall, Prentice
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 - Page 271: 17
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