A bacteria culture starts with 400 bacteria and grows at a rate proportional to its size. After 6 hours there will be 2400 bacteria. (a) Express the population P after t hours as a function of t. Be sure to keep at least 4 significant figures on the growth rate. P(t)= (b) What will be the population after 7 hours? bacteria (c) How long will it take for the population to reach 1010? Give your answer accurate to at least 2 decimal places. hours

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A bacteria culture starts with 400 bacteria and grows at a rate proportional to its size. After 6 hours there
will be 2400 bacteria.
(a) Express the population P after t hours as a function of t. Be sure to keep at least 4 significant figures
on the growth rate.
P(t)=
(b) What will be the population after 7 hours?
bacteria
(c) How long will it take for the population to reach 1010? Give your answer accurate to at least 2 decimal
places.
hours
Transcribed Image Text:A bacteria culture starts with 400 bacteria and grows at a rate proportional to its size. After 6 hours there will be 2400 bacteria. (a) Express the population P after t hours as a function of t. Be sure to keep at least 4 significant figures on the growth rate. P(t)= (b) What will be the population after 7 hours? bacteria (c) How long will it take for the population to reach 1010? Give your answer accurate to at least 2 decimal places. hours
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