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ra1l [238]
4 years ago
12

A bacteria population is 6000 at time t = 0 and its rate of growth is 1000 · 9t bacteria per hour after t hours. what is the po

pulation after one hour? (round your answer to the nearest whole number.)
Mathematics
2 answers:
AURORKA [14]4 years ago
6 0

Answer:

14384

Step-by-step explanation:

We are given that

P(0)=6000

\frac{dP}{dt}=1000\cdot 9^t

We have to find the population after 1 hour.

dP=1000(9^t)dt

Taking integration on both sides

P=1000\int 9^t dt

P(t)=\frac{1000}{log 9}9^t+C

Using formula:\int a^t=\frac{1}{log a}a^t+C

Substitute t=0 and P(0)=6000

6000=\frac{1000}{log9}+C

C=6000-\frac{1000}{log 9}=6000-\frac{1000}{0.954}

C=4952

Substitute the values then we get

P(t)=1047.95(9^t)+4952

Substitute t=1

Then, we get

P(1)=1047.95(9)+4952

P(1)=14384

Hence, the population after one hour=14384

lukranit [14]4 years ago
3 0
 dP/dt = 1000 * 9^t is the bacteria population's growth rate.where:P(t) is the population at time t, andP(0) = 6000. 
The population after one hour would be: 
P(1) = P(0) + <Integral of dP/dt from 0 to 1> 
P(1) = P(0) + [ 1000 * 9^1 / ln(9) - 1000 * 9^0 / ln(9) ] 
P(1) = 6000 + 3641 = 9461 would be the answer
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