(a) Find a formula for the amount of yeast in the vat as a func- tion of t (measured in hours). (b) How much time will elapse before the amount of yeast reaches 500 grams?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
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(3) Yeast is added to a vat of grape juice in order to ferment it
to make wine. The amount of yeast present in the vat doubles
every 4 hours after it is added. Suppose that 5 grams of yeast
is added to the vat at t = 0.
Transcribed Image Text:(3) Yeast is added to a vat of grape juice in order to ferment it to make wine. The amount of yeast present in the vat doubles every 4 hours after it is added. Suppose that 5 grams of yeast is added to the vat at t = 0.
(a) Find a formula for the amount of yeast in the vat as a func-
tion of t (measured in hours).
(b) How much time will elapse before the amount of yeast reaches
500 grams?
Transcribed Image Text:(a) Find a formula for the amount of yeast in the vat as a func- tion of t (measured in hours). (b) How much time will elapse before the amount of yeast reaches 500 grams?
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