A package weighing x pounds costs (x) dollars to mail to a given location, where (x) =

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A package weighing x pounds costs ƒ(x) dollars to mail to a given location, where ƒ(x) = 3.75x.


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(a) Evaluate ƒ(3).(b) Describe what 3 and the value ƒ(3) mean in part (a), using the terms independent variable and dependent variable.(c) How much would it cost to mail a 5-lb package? Express this situation using function notation.

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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