Bismuth-210 has a half-life of 5.0 days. (a) A sample originally has a mass of 800 mg. Find a formula for the mass remaining after t days. y(t) = (b) Find the mass remaining after 10 days. mg (c) When is the mass reduced to 1 mg? (Round your answer to the nearest day.) days
Bismuth-210 has a half-life of 5.0 days. (a) A sample originally has a mass of 800 mg. Find a formula for the mass remaining after t days. y(t) = (b) Find the mass remaining after 10 days. mg (c) When is the mass reduced to 1 mg? (Round your answer to the nearest day.) days
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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 alt="Bismuth-210 has a half-life of 5.0 days.
(a) A sample originally has a mass of 800 mg. Find a formula for the mass remaining after t days.
y(t) =
(b) Find the mass remaining after 10 days.
mg
(c) When is the mass reduced to 1 mg? (Round your answer to the nearest day.)
days
(d) Sketch the graph of the mass function.
y
y
800-
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200-
200-
100-
10
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y
y
400
800-
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t
50
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Transcribed Image Text:Bismuth-210 has a half-life of 5.0 days.
(a) A sample originally has a mass of 800 mg. Find a formula for the mass remaining after t days.
y(t) =
(b) Find the mass remaining after 10 days.
mg
(c) When is the mass reduced to 1 mg? (Round your answer to the nearest day.)
days
(d) Sketch the graph of the mass function.
y
y
800-
400|
600
300
400
200-
200-
100-
10
20
30
40
50
20
40
60
80
100
y
y
400
800-
300
600
200
400-
100
200
t
50
10
20
30
40
20
40
60
80
100
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