Nicotine leaves the body at a constant rate. At a time of 3 hours after smoking a cigarette, 52 mg of nicotine remain in a person's body; 9  hours later ( 12 hours after smoking the cigarette), there are 13 mg of nicotine in the body. a) Find a formula for the amount of nicotine left in the body t hours after smoking a cigarette. A= f(t) =  b) How much nicotine is in the body immediately after smoking. c) How much nicotine is in the body hours after smoking.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.7: Applications
Problem 13EQ
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Nicotine leaves the body at a constant rate. At a time of 3 hours after smoking a cigarette, 52 mg of nicotine remain in a person's body; 9  hours later ( 12 hours after smoking the cigarette), there are 13 mg of nicotine in the body.


a) Find a formula for the amount of nicotine left in the body t hours after smoking a cigarette.

A= f(t) = 

b) How much nicotine is in the body immediately after smoking.

c) How much nicotine is in the body hours after smoking.

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