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The population of the bacteria at the value of P (5) is 384, and it represents that the time is 5 pm
What is an exponential function?
Exponential function is the function in which the function growth or decay with the power of the independent variable. The curve of the exponential function depends on the value of its variable.
The exponential function with dependent variable y and independent variable x can be written as,
[tex]y=a^x[/tex]
Here, a is the variable in the power of a number.
The population of a bacterium doubles every hour. At 9 am, the population is 12 bacteria.
The function models the bacteria population t hours after 9 am is,
[tex]P (t) = 12\times2^t[/tex]
Put the value of t as 5 at P (5) in the above exponential function as,
[tex]P (5) = 12\times2^5\\P(5)=12\times32\\P(5)=384[/tex]
Hence, the population of the bacteria at the value of P (5) is 384, and it represents that the time is 5 pm.
Learn more about the exponential function here;
https://brainly.com/question/15602982
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