Mathematics, 23.02.2021 22:20, live4dramaoy0yf9

Independent Practice In 2002, the price of mailing a letter was $.34 for the first ounce or part of an ounce and $.21 for each ounce or part of an ounce after the first ounce.

Write a rule to describe the function. How much did it cost to mail a 4-ounce letter?

A.
f(x) = 0.21(x – 1); $.63

B.
f(x) = 0.34 + 0.21x; $1.18

C.
f(x) = 0.34 + 0.21(x – 1); $.97

D.
f(x) = 0.34x + 0.21(x – 1); $1.99

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Independent Practice In 2002, the price of mailing a letter was $.34 for the first ounce or part of...