I need help on this question. It is non graded

In this case the a value could be 45.4, this value represents the initial amount of flesh-eating bacteria in the sample.
This can be proven when making t=0
[tex]\begin{gathered} b(0)=45.4\cdot(5.69)^0 \\ b(0)=45.4\cdot1 \\ b(0)=45.4 \end{gathered}[/tex]