A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has increased to 480. (a) Find an expression for the number of bacteria aftert hours. P(E) (b) Find the number of bacteria after 4 hours. (Round your answer to the nearest whole number.) P(4) = X bacteria (c) Find the rate of growth after 4 hours. (Round your answer to the nearest whole number.) P'(4) = x bacteria per hour (d) When will the population reach 10,000? (Round your answer to one decimal place.) X hr Enhanced Feedback Please try again. Recall that a bacteria culture with growth rate proportional to the size of the culture has a growth function in the form of P(t) = P(0)e*t, where P(0) is the initial value and k is the growth rate. Find k by replacing other values in the equation wi values from the problem. .......................... .... ..... -................................... ................

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.7: Applications
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A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has increased to 480.
(a) Find an expression for the number of bacteria after t hours.
P(t) =
(b) Find the number of bacteria after 4 hours. (Round your answer to the nearest whole number.)
P(4) =
X bacteria
(c) Find the rate of growth after 4 hours. (Round your answer to the nearest whole number.)
P'(4) = |
X bacteria per hour
(d) When will the population reach 10,000? (Round your answer to one decimal place.)
t =
X hr
Enhanced Feedback
Please try again. Recall that a bacteria culture with growth rate proportional to the size of the culture has a growth function in the form of P(t) = P(0)ekt, where P(0) is the initial value and k is the growth rate. Find k by replacing other values in the equation with
given values from the problem.
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Transcribed Image Text:A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has increased to 480. (a) Find an expression for the number of bacteria after t hours. P(t) = (b) Find the number of bacteria after 4 hours. (Round your answer to the nearest whole number.) P(4) = X bacteria (c) Find the rate of growth after 4 hours. (Round your answer to the nearest whole number.) P'(4) = | X bacteria per hour (d) When will the population reach 10,000? (Round your answer to one decimal place.) t = X hr Enhanced Feedback Please try again. Recall that a bacteria culture with growth rate proportional to the size of the culture has a growth function in the form of P(t) = P(0)ekt, where P(0) is the initial value and k is the growth rate. Find k by replacing other values in the equation with given values from the problem. Need Help? Read It Watch It Submit Answer
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