#### 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

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

11 dollars

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