Mathematics, 11.01.2021 02:50 daisa02

The cost c in cents of sending a letter by first-class mail is a function of the weight w in ounces of the letter defined by c=20w. then c=h(w)=20w. find h(2), h(3), h(4). what is the domain of function h?

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The cost c in cents of sending a letter by first-class mail is a function of the weight w in ounces...