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spin [16.1K]
2 years ago
7

After a special medicine is introduced into a petri dish full of bacteria, the number of bacteria remaining in the dish decrease

s rapidly. The relationship between the elapsed time, t in seconds, and the number of bacteria, Bsecond(t) in the petri dish is modeled by the following function:

Mathematics
1 answer:
I am Lyosha [343]2 years ago
4 0

Using the given exponential function, we have that:

Every minute, the number of bacteria decays by a factor of 0.98.

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

In this problem, the function is, for the amounts each second:

Bs(t) = 6000\left(\frac{15}{16}\right)^{t}

The initial amount is of 6000 bacteria. After 60 seconds = 1 minute, the amount will be of:

Bs(60) = 6000\left(\frac{15}{16}\right)^{60} = 125

The decay factor after 1 minute is:

(6000 - 125)/6000 = 98% = 0.98.

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

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