The cost to mail a first-class letter within the
United States is a function
of its weight. I...
Mathematics, 28.10.2020 20:40 alexialoredo625
The cost to mail a first-class letter within the
United States is a function
of its weight. In 2014, the cost was $0.49 for the first ounce and $0.21 for
each additional ounce. Fractions of an ounce are ROUNDED UP to the
nearest ounce. The cost of mailing a letter is described by the function
below. In the function, represents the weight of the letter, rounded up to
the nearest ounce. What is the cost of mailing a first-class letter that
weighs 4.2 ounces?
f(w) = 0.49 +0.21(w - 1)
Answers: 2
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