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AlgebraQ&A Library83. Postage Rates The 2014 domestic postage rate for first- class letters weighing 3.5 oz or less is 49 cents for the first ounce (or less), plus 21 cents for each additional ounce (or part of an ounce). Express the postage P as a piecewise defined function of the weight x of a letter, with 0Start your trial now! First week only $4.99!*arrow_forward*

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Postage Rates The 2014 domestic postage rate for firstclass letters weighing 3.5 oz or less is 49 cents for the first

ounce (or less), plus 21 cents for each additional ounce (or

part of an ounce). Express the postage P as a piecewise

defined function of the weight x of a letter, with 0 x 3.5,

and sketch a graph of this function.

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Transcribed Image Text

83. Postage Rates The 2014 domestic postage rate for first- class letters weighing 3.5 oz or less is 49 cents for the first ounce (or less), plus 21 cents for each additional ounce (or part of an ounce). Express the postage P as a piecewise defined function of the weight x of a letter, with 0 <x< 3.5, and sketch a graph of this function.