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5 votes
The bacteria in an old piece of cheese is growing at a rate that can be modeled by y = 280 • 2x. Determine which number represents the growth rate.

0.5
1
2
280

2 Answers

5 votes

Answer:

C

Explanation:

User Aaron Patterson
by
9.3k points
1 vote
Growth rate of bacteria is given by the following equation:-

y = a. {r}^(x)
where y is the final population, a is the initial population, r is the growth rate, and x is the time.


given \: \: y = 280 * {2}^(x)
So initial population is 280, and growth rate is 2.

Hence, option C i.e. 2 is the final answer.
User Antage
by
7.7k points

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