12. The population of bacteria can be modeled by P(t) =
22,000/1+1.2e−kt, where t is time in hours and k is a constant.

a. After 1 hour the bacteria population is 10,532, what is the value of k?
b. When does the population reach 21,900?
c. How long before the population has half of its original amount?

Please I need help ASAP!! Will give brainleist!

b

Step-by-step explantion took it on edge

answer: ur v dumb

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: