Question

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.

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.
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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.