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16 January, 13:07

The expression below represents the number of bacteria in a petri dish after t hours. Interpret the meaning of the expression. A. The initial number of bacteria is 57, and the growth rate is 3.1% per hour. B. The initial number of bacteria is 57, and the growth rate is 31% per hour. C. The initial number of bacteria is 131, and the growth rate is 5.7% per hour. D. The initial number of bacteria is 131, and the growth rate is 57% per hour.

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  1. 16 January, 14:08
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    To solve this problem what you should do is write an equation of the potential type.

    We have then that the generic equation is:

    y = A * (b) ^ t

    Where,

    y: number of bacteria after t hours.

    A: initial population of bacteria.

    b: growth rate of bacteria (b> 1)

    t: time (in hours for this case).

    Note: compare the given expression with the generic equation shown to find the answer.
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