The figure shows the cost of mailing a first-class letter, f(x), as a function of its weight,

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The figure shows the cost of mailing a first-class letter, f(x), as a function of its weight, x, in ounces, for a recent year. Use the graph to solve Exercises 111–114.imageFind f(3). What does this mean in terms of the variables in this situation?

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College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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