SOLVED: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.

The price for a First-Class Forever U.S. Postage Stamp will increase Sunday

First-Class Forever U.S. Postage Stamp increase will rise 5 cents higher