The Count in a Bacteria Culture Was 320 After One $n ( t )$

question 76

Essay

The count in a bacteria culture was 320 after one hour and 1000 after five hours.
(a) What is the relative growth rate of the bacteria population?
(b) What was the initial size of the culture?
(c) Find a formula for the number of bacteria
$n ( t )$ after
$t$ hours.
(d) Find the number of bacteria after
$8$ hours.
(e) When will the number of bacteria be
$7000 ?$

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