The function A-Age-0.00770x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Suppose 600 pounds of the material are initially put into the vault. Answer the following two questions: a) How many pounds will be left after 160 years? (Round to the nearest whole number) pounds ) After how many years will there be 50 pounds remaining? (Round to nearest whole number) years

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.CR: Chapter 4 Review
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The function A=Age -0.0077 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put
into the vault. Suppose 600 pounds of the material are initially put into the vault. Answer the following two questions:
(a) How many pounds will be left after 160 years? (Round to the nearest whole number) pounds
(b) After how many years will there be 50 pounds remaining? (Round to nearest whole number) years
Transcribed Image Text:The function A=Age -0.0077 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Suppose 600 pounds of the material are initially put into the vault. Answer the following two questions: (a) How many pounds will be left after 160 years? (Round to the nearest whole number) pounds (b) After how many years will there be 50 pounds remaining? (Round to nearest whole number) years
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