A biologist swabs a sample of bacteria onto a petri dish, and this original colony covers an area of 2 mm2. Every hour, the colony's area increases by 4.5%. a. Write a function of the form A(t)=Pert that gives the area of the colony of bacteria after t hours. b. What is the area of the colony after 10 hr? c. When will the colony's area reach 50 mm2?

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.2: Domain And Range
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A biologist swabs a sample of bacteria onto a petri dish, and this original colony covers an area of 2 mm2. Every hour, the colony's area increases by 4.5%. 
a. Write a function of the form A(t)=Pert that gives the area of the colony of bacteria after t hours. 
b. What is the area of the colony after 10 hr? 
c. When will the colony's area reach 50 mm2?

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