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(3) In 2014, the United States Postal Service charged $0.48 to mail a first-class letter weighing up to 1 oz. and $0.21 for each additional ounce. Based on these rates, which function would determine, in dollars, c(z), of mailing a first-class letter weighing z ounces where z 21? (B) c(z) = 0.48z + 0.21 (D) c(z) = 0.48(z – 1) + 0.21 (A) c(z) = 0.21z + 0.48 (C) c(z) = 0.21(z – 1) + 0.48

(3) In 2014, the United States Postal Service charged $0.48 to mail a first-class letter weighing up to 1 oz. and $0.21 for each additional ounce. Based on these rates, which function would determine, in dollars, c(z), of mailing a first-class letter weighing z ounces where z 21? (B) c(z) = 0.48z + 0.21 (D) c(z) = 0.48(z – 1) + 0.21 (A) c(z) = 0.21z + 0.48 (C) c(z) = 0.21(z – 1) + 0.48

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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(3) In 2014, the United States Postal Service charged $0.48 to mail a first-class letter weighing up to 1 oz. and $0.21 for each additional ounce. Based on these rates, which function would determine, in dollars, c(z), of mailing a first-class letter weighing z ounces where z 21? (A) c(z) = 0.21z + 0.48 (C) c(z) = 0.21(z – 1) + 0.48 (B) c(z) = 0.48z + 0.21 (D) c(z) = 0.48(z – 1) + 0.21
Transcribed Image Text:(3) In 2014, the United States Postal Service charged $0.48 to mail a first-class letter weighing up to 1 oz. and $0.21 for each additional ounce. Based on these rates, which function would determine, in dollars, c(z), of mailing a first-class letter weighing z ounces where z 21? (A) c(z) = 0.21z + 0.48 (C) c(z) = 0.21(z – 1) + 0.48 (B) c(z) = 0.48z + 0.21 (D) c(z) = 0.48(z – 1) + 0.21
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