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# Applications of Exponents 1

ALGEBR-BEJJCE

A biologist is culturing bacteria in a nutrition dish. She begins with 1,000 bacteria and supplies sufficient food so that for the next 24 hours, the bacteria population grows exponentially, tripling every hour. Select the function that models the population growth of this bacteria culture in hours.

A

$$1000 \times 2^t$$

B

$$1000 \times 3^t$$

C

$$1000 \times \frac{1}{2}^t$$

D

$$1000 \times \frac{1}{3}^t$$