Solution :
Let y = amount of caffeine at a given time in body.
n = number of hours
So
ln Y = -0.01 n + C
At n = 0, Y = 130 mg
ln 130 = -0.01 x 0 + C
C = ln 130
When Y = 65
n = 69.315 hours
At n = 24 hours
Y = 102.26 mg
Which equation is represented by the graph below?
1 answer:
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