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Mathematics 21 Online
OpenStudy (anonymous):

help! A biologist is researching a newly-discovered species of bacteria. He puts 200 bacteria into what he has determined to be a favorable growth medium. Nine hours later, he measures 380 bacteria. Assuming exponential growth, find the growth equation and use it to determine the number of bacteria after eight hours.

OpenStudy (anonymous):

please show how u get the answer.

OpenStudy (anonymous):

@agent0smith help right away?

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

how far did you get

OpenStudy (anonymous):

i got as far as solving for b

jimthompson5910 (jim_thompson5910):

what did you get

OpenStudy (anonymous):

im not sure how to solve for b.

jimthompson5910 (jim_thompson5910):

what did you get for 'a'

OpenStudy (anonymous):

im as dar as 380/200

OpenStudy (anonymous):

and got 1.9 and now im not sure what to do now.

jimthompson5910 (jim_thompson5910):

what's the initial population count?

OpenStudy (agent0smith):

Still need help? you'll need to do it using the formula for exponential growth

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