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A colony of bacteria is growing exponentially according to the function below, where t is in hours. What will the approximate number of bacteria be after 7 hours?A.270B.1082C.635,818D.45,674

A colony of bacteria is growing exponentially according to the function below where t is in hours What will the approximate number of bacteria be after 7 hoursA class=

Respuesta :

we have the exponential function

[tex]B(t)=4e^{0.8t}[/tex]

For t=7 hours

substitute

[tex]\begin{gathered} B(t)=4e^{0.8*7} \\ \\ B(t)=1,082\text{ bacteria} \end{gathered}[/tex]

The answer is option B

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