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decomposes at a rate proportional to the amount of A present. a) Write an equation that gives the amount A left of an initial amount Ap after time t. b) It is found that 18 lb of A will reduce to 9 lb in 4.2 hr. After how long will there be only 1 lb left? a) Choose the equation that gives A in terms of An, t, and k, where k>0. - kt O A. A(t) = Ao O B. A(t) = A, e kt kt OC. A(t) = A,K D. A(t) = A, e - kt b) There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed )

decomposes at a rate proportional to the amount of A present. a) Write an equation that gives the amount A left of an initial amount Ap after time t. b) It is found that 18 lb of A will reduce to 9 lb in 4.2 hr. After how long will there be only 1 lb left? a) Choose the equation that gives A in terms of An, t, and k, where k>0. - kt O A. A(t) = Ao O B. A(t) = A, e kt kt OC. A(t) = A,K D. A(t) = A, e - kt b) There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed )

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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Substance A decomposes at a rate proportional to the amount of A present. a) Write an equation that gives the amount A left of an initial amount A, after time t. b) It is found that 18 lb of A will reduce to 9 lb in 4.2 hr. After how long will there be only 1 lb left? a) Choose the equation that gives A in terms of Ao, t, and k, where k>0. O A. A(t) = Ao - kt O B. A(t) = A, e kt kt OC. A(t) = A D. A(t) = A, e - kt b) There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed )
Transcribed Image Text:Substance A decomposes at a rate proportional to the amount of A present. a) Write an equation that gives the amount A left of an initial amount A, after time t. b) It is found that 18 lb of A will reduce to 9 lb in 4.2 hr. After how long will there be only 1 lb left? a) Choose the equation that gives A in terms of Ao, t, and k, where k>0. O A. A(t) = Ao - kt O B. A(t) = A, e kt kt OC. A(t) = A D. A(t) = A, e - kt b) There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed )
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