Question: What is the postage charge? Postage for First-Class mail is calculated based on envelope weight. If p(x) is the postage in dollars and x is
What is the postage charge?

Postage for First-Class mail is calculated based on envelope weight. If p(x) is the postage in dollars and x is the weight in ounces, find the postage charged to mail a 1.25 ounce letter. 0.44, if0 5xs1 P (x) = 0.61, if1
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